Pub Date : 2023-04-28DOI: 10.22349/1994-6716-2023-113-1-134-149
B. Gurovich, A. Frolov, E. Kuleshova, I. Fedotov
The paper presents the results of mechanical tests of ring specimens made of the 42XNM alloy after irradiation as part of the control and protection system of the VVER-1000 reactor to a damaging dose of ~12 dpa at a temperature of ~350°C and subsequent isothermal annealings in the temperature range of 400– 1150°C (heating and holding for ~2 h). A model was constructed and validated by the finite element method, it describes the mechanical characteristics of irradiated and non-irradiated samples from the 42XNM alloy during tests in the temperature range from 500 to 1000°C. The model was used to plot the temperature dependences of the maximum local plastic deformation and the yield strength of the material under study.
{"title":"Long-term high-temperature exposure effects on mechanical properties and structure of the 42XNM alloy after neutron irradiation in the VVER-1000. Part 1. Mechanical tests","authors":"B. Gurovich, A. Frolov, E. Kuleshova, I. Fedotov","doi":"10.22349/1994-6716-2023-113-1-134-149","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-134-149","url":null,"abstract":"The paper presents the results of mechanical tests of ring specimens made of the 42XNM alloy after irradiation as part of the control and protection system of the VVER-1000 reactor to a damaging dose of ~12 dpa at a temperature of ~350°C and subsequent isothermal annealings in the temperature range of 400– 1150°C (heating and holding for ~2 h). A model was constructed and validated by the finite element method, it describes the mechanical characteristics of irradiated and non-irradiated samples from the 42XNM alloy during tests in the temperature range from 500 to 1000°C. The model was used to plot the temperature dependences of the maximum local plastic deformation and the yield strength of the material under study.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"59 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78119232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-28DOI: 10.22349/1994-6716-2023-113-1-174-188
E. Yurchenko, M. N. Timofeev, B. Margolin, S. N. Galyatkin
The results of the study of mechanical properties and brittle fracture resistance (BFR) are presented for weld metal of WWER RPV performed by automatic arc welding with use welding wire Sv-15CrNiMoTiA and ceramic flux 48AF-71. Mechanical properties are determined on the basis of test results of tensile smooth round bar. BFR are determined from impact strength tests and fracture toughness tests. The anisotropy of mechanical properties and BFR is investigated by testing the specimens with different orientations. Tests are conducted for specimens of two orientations: first orientation corresponds to the position of the specimen, in which the fracture surface is perpendicular to the axis of the weld; second orientation corresponds fracture surface parallel to the axis of t he weld. It i s shown that the weld metal performed according to above mentioned technology has no anisotropy both in mechanical properties and in BFR. An explanation of the significant scatter of BFR on the basis of the results of metallographic studies is proposed. The obtained experimental results on mechanical properties for investigated weld metal allow to use tensile smooth round bar with 3 mm diameter with transverse orientation instead of specimens with 6 mm diameter with longitudinal orientation as the scale factor and anisotropy are negligible. The correlation dependence between the values of reference temperature T0 determined by the Master Curve method and reference temperature T100 determined by the Advanced Unified Curve method and the value of critical brittleness temperature TK0 for the studied weld metal in the initial state is established.
{"title":"Study of mechanical properties and brittle fracture resistance for weld metal of WWER RPV","authors":"E. Yurchenko, M. N. Timofeev, B. Margolin, S. N. Galyatkin","doi":"10.22349/1994-6716-2023-113-1-174-188","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-174-188","url":null,"abstract":"The results of the study of mechanical properties and brittle fracture resistance (BFR) are presented for weld metal of WWER RPV performed by automatic arc welding with use welding wire Sv-15CrNiMoTiA and ceramic flux 48AF-71. Mechanical properties are determined on the basis of test results of tensile smooth round bar. BFR are determined from impact strength tests and fracture toughness tests. The anisotropy of mechanical properties and BFR is investigated by testing the specimens with different orientations. Tests are conducted for specimens of two orientations: first orientation corresponds to the position of the specimen, in which the fracture surface is perpendicular to the axis of the weld; second orientation corresponds fracture surface parallel to the axis of t he weld. It i s shown that the weld metal performed according to above mentioned technology has no anisotropy both in mechanical properties and in BFR. An explanation of the significant scatter of BFR on the basis of the results of metallographic studies is proposed. The obtained experimental results on mechanical properties for investigated weld metal allow to use tensile smooth round bar with 3 mm diameter with transverse orientation instead of specimens with 6 mm diameter with longitudinal orientation as the scale factor and anisotropy are negligible. The correlation dependence between the values of reference temperature T0 determined by the Master Curve method and reference temperature T100 determined by the Advanced Unified Curve method and the value of critical brittleness temperature TK0 for the studied weld metal in the initial state is established.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"PP 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84170968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-27DOI: 10.22349/1994-6716-2023-113-1-124-133
V. Bolobov, A. Petkova, G. G. Popov, V. Zlotin, I. U. Latipov, A. O. Sherstneva, I. Zhuikov
The authors estimate possible losses of transported compressed hydrogen (P = 10 MPa) due to diffusion through the pipe wall applying Sieverts law and Arrhenius equation and using tabular data on the coefficients of permeability and solubility. The calculation was carried out for pipelines made of various metallic and non-metallic materials at room and elevated temperatures. It is shown that the volume of the diffused gas at T = 298°K (25°С) is only fractions of a percent of the pumped hydrogen volume. At the same time, the biggest loss occurs in a pipeline made of polyethylene (~0.03%), and the most insignificant one in austenitic steels (~10-6%). For carbon and low-alloy steels, the main materials of gas pipelines, these losses are at the level of 10-4–10-5 %. When the temperature rises to 683°K (410°C), the losses in steel pipelines increase to 0.25%, in polymer pipelines to 20%.
{"title":"Comparative analysis of compressed hydrogen losses during its transportation through the pipelines from different materials","authors":"V. Bolobov, A. Petkova, G. G. Popov, V. Zlotin, I. U. Latipov, A. O. Sherstneva, I. Zhuikov","doi":"10.22349/1994-6716-2023-113-1-124-133","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-124-133","url":null,"abstract":"The authors estimate possible losses of transported compressed hydrogen (P = 10 MPa) due to diffusion through the pipe wall applying Sieverts law and Arrhenius equation and using tabular data on the coefficients of permeability and solubility. The calculation was carried out for pipelines made of various metallic and non-metallic materials at room and elevated temperatures. It is shown that the volume of the diffused gas at T = 298°K (25°С) is only fractions of a percent of the pumped hydrogen volume. At the same time, the biggest loss occurs in a pipeline made of polyethylene (~0.03%), and the most insignificant one in austenitic steels (~10-6%). For carbon and low-alloy steels, the main materials of gas pipelines, these losses are at the level of 10-4–10-5 %. When the temperature rises to 683°K (410°C), the losses in steel pipelines increase to 0.25%, in polymer pipelines to 20%.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75564753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-27DOI: 10.22349/1994-6716-2023-113-1-103-123
A. Ilyin, A. Lavrentiev, G. D. Motovilina, E. V. Zabavicheva, S. Petrov
Fracture toughness of rolled plates of high-strength medium-alloy steel with a martensitic or martensitic- bainite microstructure can vary widely depending on the parameters of their microstructure, which depends on the specific chemical composition, rolling parameters, quenching and tempering. In previous works, the authors studied the metal of various experimental smelts. The studied materials were significantly different in the size of structural components separated by large-angle boundaries (hereditary austenitic grain, martensite packages, and bainite crystallites). The continuation of these studies is the analysis of the relationship between the fracture toughness of a metal of one smelt and the general quenching parameters and, as a consequence, with the same parameters of the microstructure formed during quenching, but with different tempering parameters. A general structural state parameter based on the obtained data, and correlated with fracture toughness is proposed.
{"title":"Correlation of fracture toughness with microstructural parameters and standard mechanical properties of high-strength medium-alloy steel","authors":"A. Ilyin, A. Lavrentiev, G. D. Motovilina, E. V. Zabavicheva, S. Petrov","doi":"10.22349/1994-6716-2023-113-1-103-123","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-103-123","url":null,"abstract":"Fracture toughness of rolled plates of high-strength medium-alloy steel with a martensitic or martensitic- bainite microstructure can vary widely depending on the parameters of their microstructure, which depends on the specific chemical composition, rolling parameters, quenching and tempering. In previous works, the authors studied the metal of various experimental smelts. The studied materials were significantly different in the size of structural components separated by large-angle boundaries (hereditary austenitic grain, martensite packages, and bainite crystallites). The continuation of these studies is the analysis of the relationship between the fracture toughness of a metal of one smelt and the general quenching parameters and, as a consequence, with the same parameters of the microstructure formed during quenching, but with different tempering parameters. A general structural state parameter based on the obtained data, and correlated with fracture toughness is proposed.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90734893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-27DOI: 10.22349/1994-6716-2023-113-1-94-102
E. Sedakova, Syanshun Li, V. E. Zharov, A. Breki, A. O. Pozdnyakov, A. Smirnov
Results of comparative research of wear resistance of polytetrafluoroethylene (PTFE), polyetheretherketone (PEEK), ultrahigh molecular weight polyethylene (UHMWPE) and polyamide 6 (PA6) in friction pairs with 18Kh2N4МА, 08Kh18N10Т and 40Kh13 are presented. Self-lubricating ability of polymers was determined by the contact pressure value corresponding to the upper border of the diapason, in which the effect of stabilization of linear wear intensity values and by the length of this diapason along the axis of loads is shown. Carbon steel 45 was used as a base steel in the comparison. PEEK, UHMWPE and PA6 friction pairs show higher values of intensity of linear wear but decrease in ability to self-lubrication. However in friction pair PTFE – steel 18Kh2N4МА with the prevailing content of nickel (about 4%), expansion of a range of stabilization of linear wear intensity is observed. In friction pairs PTFE with steel 40Kh13, containing a considerable percentage of chrome (13%), in absence of nickel, and with steel 18Kh2N4МА containing a complex of nickel and chrome (10% and 18%, respectively), the least wear resistance and ability to self-lubrication of polymer are marked. Temperatures on polymer tribocontact corresponding to ranges of wear stabilization loadings in researched friction pairs are determined.
{"title":"On the ability of polymers to self-lubrication in metal – polymer friction pairs","authors":"E. Sedakova, Syanshun Li, V. E. Zharov, A. Breki, A. O. Pozdnyakov, A. Smirnov","doi":"10.22349/1994-6716-2023-113-1-94-102","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-94-102","url":null,"abstract":"Results of comparative research of wear resistance of polytetrafluoroethylene (PTFE), polyetheretherketone (PEEK), ultrahigh molecular weight polyethylene (UHMWPE) and polyamide 6 (PA6) in friction pairs with 18Kh2N4МА, 08Kh18N10Т and 40Kh13 are presented. Self-lubricating ability of polymers was determined by the contact pressure value corresponding to the upper border of the diapason, in which the effect of stabilization of linear wear intensity values and by the length of this diapason along the axis of loads is shown. Carbon steel 45 was used as a base steel in the comparison. PEEK, UHMWPE and PA6 friction pairs show higher values of intensity of linear wear but decrease in ability to self-lubrication. However in friction pair PTFE – steel 18Kh2N4МА with the prevailing content of nickel (about 4%), expansion of a range of stabilization of linear wear intensity is observed. In friction pairs PTFE with steel 40Kh13, containing a considerable percentage of chrome (13%), in absence of nickel, and with steel 18Kh2N4МА containing a complex of nickel and chrome (10% and 18%, respectively), the least wear resistance and ability to self-lubrication of polymer are marked. Temperatures on polymer tribocontact corresponding to ranges of wear stabilization loadings in researched friction pairs are determined.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73297423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-26DOI: 10.22349/1994-6716-2023-113-1-29-35
R. Y. Bystrov, D. A. Gerashchenkov, E. Y. Gerashchenkova, P. Kuznetsov
Tests of friction pairs steel–ice for two grades of structural steel with a yield strength of 540 and 760 MPa were carried out. The dependences of the friction coefficients on the applied load and changes in the ambient temperature are studied. It is shown that the coefficient of static friction of the samples is noticeably higher than the kinetic one, which indicates the adhesion of ice to steel.
{"title":"Study of structural arctic steel in a friction pair with ice","authors":"R. Y. Bystrov, D. A. Gerashchenkov, E. Y. Gerashchenkova, P. Kuznetsov","doi":"10.22349/1994-6716-2023-113-1-29-35","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-29-35","url":null,"abstract":"Tests of friction pairs steel–ice for two grades of structural steel with a yield strength of 540 and 760 MPa were carried out. The dependences of the friction coefficients on the applied load and changes in the ambient temperature are studied. It is shown that the coefficient of static friction of the samples is noticeably higher than the kinetic one, which indicates the adhesion of ice to steel.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"11 1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88293019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-26DOI: 10.22349/1994-6716-2023-113-1-54-61
T. Bobkova, A. Vasiliev, M. E. Goshkoderya, V. Klimov, V. I. Kubantsev, V. Margolin, E. Samodelkin, B. Farmakovsky, I. Shakirov
The results of the development of technology for obtaining nanostructured composite powders in two ways – surface reinforcement and cladding are presented. The possibility of manufacturing functional coatings based on the obtained powders by the method of supersonic cold gas-dynamic spraying is shown. The characteristics of the resulting coatings (adhesive strength, microhardness, wear resistance, low porosity) were studied. The real prospect of using the created functional protective coatings for precision engineering is shown.
{"title":"Development of technology for obtaining nanostructured composite powders by high-speed mechanosynthesis","authors":"T. Bobkova, A. Vasiliev, M. E. Goshkoderya, V. Klimov, V. I. Kubantsev, V. Margolin, E. Samodelkin, B. Farmakovsky, I. Shakirov","doi":"10.22349/1994-6716-2023-113-1-54-61","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-54-61","url":null,"abstract":"The results of the development of technology for obtaining nanostructured composite powders in two ways – surface reinforcement and cladding are presented. The possibility of manufacturing functional coatings based on the obtained powders by the method of supersonic cold gas-dynamic spraying is shown. The characteristics of the resulting coatings (adhesive strength, microhardness, wear resistance, low porosity) were studied. The real prospect of using the created functional protective coatings for precision engineering is shown.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"89 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75921517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-26DOI: 10.22349/1994-6716-2023-113-1-45-53
O. Berdnik, I. Tsareva
The paper presents the results of a study of changes in the structure and strength properties of a heat-resistant nickel alloy after various periods of operation in a gas turbine engine. It is shown that after 25,000 hours of operation, irreversible changes occur in the microstructure of the alloy, which adversely affect the performance of the parts. Ensuring the stability of the structural state and mechanical properties are very important in assessing the reliability and extending the service life. The results of a study of the effect of heat treatment parameters on the structural characteristics of the CrNi65CoMoWAlTi alloy are presented, and an assessment is made of the effect of structural parameters on mechanical properties. Timely application of recovery technologies can extend the service life of products.
{"title":"Study of high temperature aging of cast nickel alloy structure and properties","authors":"O. Berdnik, I. Tsareva","doi":"10.22349/1994-6716-2023-113-1-45-53","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-45-53","url":null,"abstract":"The paper presents the results of a study of changes in the structure and strength properties of a heat-resistant nickel alloy after various periods of operation in a gas turbine engine. It is shown that after 25,000 hours of operation, irreversible changes occur in the microstructure of the alloy, which adversely affect the performance of the parts. Ensuring the stability of the structural state and mechanical properties are very important in assessing the reliability and extending the service life. The results of a study of the effect of heat treatment parameters on the structural characteristics of the CrNi65CoMoWAlTi alloy are presented, and an assessment is made of the effect of structural parameters on mechanical properties. Timely application of recovery technologies can extend the service life of products.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83643602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-26DOI: 10.22349/1994-6716-2023-113-1-72-82
N. V. Shadrinov, A. Fedorova, M. Davydova, A. Fedorov
The change in the properties of rubbers 98-1 and RP-10 based on nitrile butadiene rubbers with 17– 20% of acrylonitrile content under thermal cycling conditions in the range from –50 to +80°С is evaluated. The samples are exposed in the air and working hydrocarbon medium of hydraulic oil I-20A in stress-free and deformed states. It has been established that 98-1 rubber is more resistant in air and RP-10 rubber containing a sulfur-peroxide vulcanizing system and UHMWPE demonstrates high durability in a hydrocarbon medium in comparison with first one. The paper shows insignificant deformation on the rubbers properties and deterioration of the frost resistance of rubbers up to its complete loss during thermal cycling in the medium of I-20A hydraulic oil.
{"title":"Study of the resistance of nitrile butadiene rubber to thermal cycling in a hydrocarbon medium","authors":"N. V. Shadrinov, A. Fedorova, M. Davydova, A. Fedorov","doi":"10.22349/1994-6716-2023-113-1-72-82","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-72-82","url":null,"abstract":"The change in the properties of rubbers 98-1 and RP-10 based on nitrile butadiene rubbers with 17– 20% of acrylonitrile content under thermal cycling conditions in the range from –50 to +80°С is evaluated. The samples are exposed in the air and working hydrocarbon medium of hydraulic oil I-20A in stress-free and deformed states. It has been established that 98-1 rubber is more resistant in air and RP-10 rubber containing a sulfur-peroxide vulcanizing system and UHMWPE demonstrates high durability in a hydrocarbon medium in comparison with first one. The paper shows insignificant deformation on the rubbers properties and deterioration of the frost resistance of rubbers up to its complete loss during thermal cycling in the medium of I-20A hydraulic oil.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77905499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-26DOI: 10.22349/1994-6716-2023-113-1-62-71
D. A. Gerashchenkov, Yu. P. Udalov
The physical and chemical foundations of the technology of cold gas-dynamic spraying of coatings on titanium for two types of charge are considered, in one of which chemically inactive copper is used as a ductile metal in combination with abrasive silicon carbide powder, in the other – chemically active aluminum in combined with silicon carbide. A thermodynamic modeling technique has been developed to select the composition of the coating charge and predict the change in its phase composition at high temperature.
{"title":"Calculation and investigation of the phase composition of a composite intermetallic layer synthesized on the surface of VT6 titanium alloy from Cu–SiC and Al–SiC powders","authors":"D. A. Gerashchenkov, Yu. P. Udalov","doi":"10.22349/1994-6716-2023-113-1-62-71","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-113-1-62-71","url":null,"abstract":"The physical and chemical foundations of the technology of cold gas-dynamic spraying of coatings on titanium for two types of charge are considered, in one of which chemically inactive copper is used as a ductile metal in combination with abrasive silicon carbide powder, in the other – chemically active aluminum in combined with silicon carbide. A thermodynamic modeling technique has been developed to select the composition of the coating charge and predict the change in its phase composition at high temperature.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88541910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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