I. V. Ezhov, N. V. Kazantseva, D. I. Davydov, N. I. Vinogradova
{"title":"激光3D打印制备Ti - 6Al - 4V合金的组织和相组成及循环弯曲试验","authors":"I. V. Ezhov, N. V. Kazantseva, D. I. Davydov, N. I. Vinogradova","doi":"10.1007/s11041-024-01078-2","DOIUrl":null,"url":null,"abstract":"<p>The structure and phase composition of samples of a Ti – 6Al – 4V alloy obtained using an EOSINT 280M laser printer are studied using scanning and transmission electron microscopy after cyclic three-point bending tests at room temperature. The features of the deformation process during bending of the samples are considered. It is shown that, in contrast to the cast alloy that fractures by a brittle mechanism, the Ti – 6Al – 4V alloy produced by laser 3D printing undergoes brittle-ductile fracture under the conditions of cyclic bending deformation, which is associated with formation of new pores in the deformed alloy.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"66 7-8","pages":"504 - 509"},"PeriodicalIF":0.6000,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Structure and Phase Composition of the Ti – 6Al – 4V Alloy Produced by Laser 3D Printing and Subjected to Cyclic Bending Tests\",\"authors\":\"I. V. Ezhov, N. V. Kazantseva, D. I. Davydov, N. I. Vinogradova\",\"doi\":\"10.1007/s11041-024-01078-2\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The structure and phase composition of samples of a Ti – 6Al – 4V alloy obtained using an EOSINT 280M laser printer are studied using scanning and transmission electron microscopy after cyclic three-point bending tests at room temperature. The features of the deformation process during bending of the samples are considered. It is shown that, in contrast to the cast alloy that fractures by a brittle mechanism, the Ti – 6Al – 4V alloy produced by laser 3D printing undergoes brittle-ductile fracture under the conditions of cyclic bending deformation, which is associated with formation of new pores in the deformed alloy.</p>\",\"PeriodicalId\":701,\"journal\":{\"name\":\"Metal Science and Heat Treatment\",\"volume\":\"66 7-8\",\"pages\":\"504 - 509\"},\"PeriodicalIF\":0.6000,\"publicationDate\":\"2024-12-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metal Science and Heat Treatment\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11041-024-01078-2\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"METALLURGY & METALLURGICAL ENGINEERING\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metal Science and Heat Treatment","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s11041-024-01078-2","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"METALLURGY & METALLURGICAL ENGINEERING","Score":null,"Total":0}
Structure and Phase Composition of the Ti – 6Al – 4V Alloy Produced by Laser 3D Printing and Subjected to Cyclic Bending Tests
The structure and phase composition of samples of a Ti – 6Al – 4V alloy obtained using an EOSINT 280M laser printer are studied using scanning and transmission electron microscopy after cyclic three-point bending tests at room temperature. The features of the deformation process during bending of the samples are considered. It is shown that, in contrast to the cast alloy that fractures by a brittle mechanism, the Ti – 6Al – 4V alloy produced by laser 3D printing undergoes brittle-ductile fracture under the conditions of cyclic bending deformation, which is associated with formation of new pores in the deformed alloy.
期刊介绍：
Metal Science and Heat Treatment presents new fundamental and practical research in physical metallurgy, heat treatment equipment, and surface engineering.
Topics covered include:
New structural, high temperature, tool and precision steels;
Cold-resistant, corrosion-resistant and radiation-resistant steels;
Steels with rapid decline of induced properties;
Alloys with shape memory effect;
Bulk-amorphyzable metal alloys;
Microcrystalline alloys;
Nano materials and foam materials for medical use.
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