Pub Date : 2015-05-01DOI: 10.2174/1874464808666150415225050
B. Markoli, T. Bončina, F. Zupanič
{"title":"How can we Distinguish Quasicrystals from other Phases in Al-based Cast Alloys Containing Mn, Mg, Si, Be, Cu, Ce, Fe and Ti?","authors":"B. Markoli, T. Bončina, F. Zupanič","doi":"10.2174/1874464808666150415225050","DOIUrl":"https://doi.org/10.2174/1874464808666150415225050","url":null,"abstract":"","PeriodicalId":20875,"journal":{"name":"Recent Patents on Materials Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78918055","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 : 2015-05-01DOI: 10.2174/1874464808666150310233622
Wen-zhen Cheng, Jin-xia Liu, Yin-Ang Mei, Ping Zhang, T. Omi, Yuki Takigami, Ke Zhang, H. Okuzaki, Hu Yan
{"title":"A novel two-step spin-coating process for preparing PEDOT/PSS thin films and review of recent advances in spin coating","authors":"Wen-zhen Cheng, Jin-xia Liu, Yin-Ang Mei, Ping Zhang, T. Omi, Yuki Takigami, Ke Zhang, H. Okuzaki, Hu Yan","doi":"10.2174/1874464808666150310233622","DOIUrl":"https://doi.org/10.2174/1874464808666150310233622","url":null,"abstract":"","PeriodicalId":20875,"journal":{"name":"Recent Patents on Materials Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78610386","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 : 2015-05-01DOI: 10.2174/1874464808666150427223327
B. Podmiljšak, P. Mcguiness, S. Kobe
{"title":"Complex Metallic Alloys for Applications in Magnetic Refrigeration","authors":"B. Podmiljšak, P. Mcguiness, S. Kobe","doi":"10.2174/1874464808666150427223327","DOIUrl":"https://doi.org/10.2174/1874464808666150427223327","url":null,"abstract":"","PeriodicalId":20875,"journal":{"name":"Recent Patents on Materials Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88127171","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 : 2015-05-01DOI: 10.2174/187446480802150512194957
J. Dubois
{"title":"Editorial (Thematic Issue: The Usefulness of Complex Metallic Alloys: Secured Breakthroughs and Applications on the Market)","authors":"J. Dubois","doi":"10.2174/187446480802150512194957","DOIUrl":"https://doi.org/10.2174/187446480802150512194957","url":null,"abstract":"","PeriodicalId":20875,"journal":{"name":"Recent Patents on Materials Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83967899","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 : 2015-05-01DOI: 10.2174/1874464808666150415001749
J. Dolinšek
{"title":"Method for Storing Digital Information and Storage Element: A Thermal Memory Cell","authors":"J. Dolinšek","doi":"10.2174/1874464808666150415001749","DOIUrl":"https://doi.org/10.2174/1874464808666150415001749","url":null,"abstract":"","PeriodicalId":20875,"journal":{"name":"Recent Patents on Materials Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88192696","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 : 2015-05-01DOI: 10.2174/1874464808666150324230711
C. Vahlas, B. Caussat, W. Gladfelter, F. Senocq, Elizabeth J. Gladfelter
Due to attractive surface properties and to intrinsic brittleness of Complex Metallic Alloys (CMAs), most of their potential applications involve materials with high surface-to-volume ratios, including thin films and coatings. While physical vapor deposition techniques are efficient for the processing of CMA films on line-of-sight surfaces, chemical vapor deposition (CVD) is well positioned for their application on complex surfaces. However, for CVD process to be implemented efficiently in the processing of CMA films a number of challenges must be addressed. Because numerous CVD reagents, commonly called precursors, are low vapor pressure liquids or solids, one of these challenges is the production of vapors of such precursors, which are decomposed in the deposition chamber to provide the desired film. Such a production has to be ensured at high rate and must be reproducible and stable during the whole process. Actual solutions to this question involve (i) bubbling inert gas through thermally regulated liquid precursors, (ii) leaching the surface of fixed precursor powder beds, and (iii) in situ generating the precursor flow by passing a reactive gas through a thermally regulated bed of the metallic element to be transported. Such solutions neither may be satisfactory for actual R&D needs nor may be transferable to industrial environments. These reasons are in part responsible for the limited implementation of advanced materials (including CMA-based ones) in numerous industrial and hence societal needs. More recently, innovative solutions have been proposed to feed deposition systems based on vapor phase chemical techniques (CVD and Atomic Layer Deposition, ALD). Such solutions are Direct Liquid Injection (DLI) of dissolved solid precursors and also sublimation of the latter in fluidized beds or in elaborated fixed beds. Such technological responses show promise for industrial applications of CVD, especially for the deposition of metals and ceramic compounds for which the available molecular and inorganic precursors present low vapor pressures. This review provides an overview of the methods by which precursor vapors are transported to the deposition chamber. Early and recent patents dedicated to such technologies will be revisited and considered in the light of the deposition of multimetallic alloy coatings.
{"title":"Liquid and Solid Precursor Delivery Systems in Gas Phase Processes","authors":"C. Vahlas, B. Caussat, W. Gladfelter, F. Senocq, Elizabeth J. Gladfelter","doi":"10.2174/1874464808666150324230711","DOIUrl":"https://doi.org/10.2174/1874464808666150324230711","url":null,"abstract":"Due to attractive surface properties and to intrinsic brittleness of Complex Metallic Alloys (CMAs), most of their potential applications involve materials with high surface-to-volume ratios, including thin films and coatings. While physical vapor deposition techniques are efficient for the processing of CMA films on line-of-sight surfaces, chemical vapor deposition (CVD) is well positioned for their application on complex surfaces. However, for CVD process to be implemented efficiently in the processing of CMA films a number of challenges must be addressed. Because numerous CVD reagents, commonly called precursors, are low vapor pressure liquids or solids, one of these challenges is the production of vapors of such precursors, which are decomposed in the deposition chamber to provide the desired film. Such a production has to be ensured at high rate and must be reproducible and stable during the whole process. Actual solutions to this question involve (i) bubbling inert gas through thermally regulated liquid precursors, (ii) leaching the surface of fixed precursor powder beds, and (iii) in situ generating the precursor flow by passing a reactive gas through a thermally regulated bed of the metallic element to be transported. Such solutions neither may be satisfactory for actual R&D needs nor may be transferable to industrial environments. These reasons are in part responsible for the limited implementation of advanced materials (including CMA-based ones) in numerous industrial and hence societal needs. More recently, innovative solutions have been proposed to feed deposition systems based on vapor phase chemical techniques (CVD and Atomic Layer Deposition, ALD). Such solutions are Direct Liquid Injection (DLI) of dissolved solid precursors and also sublimation of the latter in fluidized beds or in elaborated fixed beds. Such technological responses show promise for industrial applications of CVD, especially for the deposition of metals and ceramic compounds for which the available molecular and inorganic precursors present low vapor pressures. This review provides an overview of the methods by which precursor vapors are transported to the deposition chamber. Early and recent patents dedicated to such technologies will be revisited and considered in the light of the deposition of multimetallic alloy coatings.","PeriodicalId":20875,"journal":{"name":"Recent Patents on Materials Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79914402","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 : 2015-03-28DOI: 10.2174/1874464808666150105233832
Yong Lei, Hui Wang, Q. Qin
It is well known that a naturally matured loofah has some distinct inherent properties including extremely low density and high absorbability, due to its unique fibrous microstructure and macro-cellular architecture including the spatial configuration of voids and solids. In this paper, we focus on patents and literature related to the development of a three-dimensional (3D) lightweight metallic structure by means of a design bio-inspired by the cellular architecture of a fully ripe loofah. To simplify the design, the cellular architecture of the loofah is assumed to be a two-layered open-cell foam structure, and each layer is a porous shell wall. The two layers are connected by three porous radial plates. With this simplification, a lightweight metallic structure with hexagonal pores is developed that achieves the desired balance of weight and mechanical properties. The resulting metallic structure has low density (190.39 kilograms per cubic meter) and the Young’s modulus is estimated by compressive testing using a finite element technique.
{"title":"Bio-Inspired Design of Lightweight Metal Structure Based on Microstructure of Fully Ripe Loofah","authors":"Yong Lei, Hui Wang, Q. Qin","doi":"10.2174/1874464808666150105233832","DOIUrl":"https://doi.org/10.2174/1874464808666150105233832","url":null,"abstract":"It is well known that a naturally matured loofah has some distinct inherent properties including extremely low density and high absorbability, due to its unique fibrous microstructure and macro-cellular architecture including the spatial configuration of voids and solids. In this paper, we focus on patents and literature related to the development of a three-dimensional (3D) lightweight metallic structure by means of a design bio-inspired by the cellular architecture of a fully ripe loofah. To simplify the design, the cellular architecture of the loofah is assumed to be a two-layered open-cell foam structure, and each layer is a porous shell wall. The two layers are connected by three porous radial plates. With this simplification, a lightweight metallic structure with hexagonal pores is developed that achieves the desired balance of weight and mechanical properties. The resulting metallic structure has low density (190.39 kilograms per cubic meter) and the Young’s modulus is estimated by compressive testing using a finite element technique.","PeriodicalId":20875,"journal":{"name":"Recent Patents on Materials Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89799495","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 : 2015-03-28DOI: 10.2174/1874464808666150304233653
Yaogang Wang, Changhe Li, Benkai Li, Min Yang, Xiaowei Zhang
{"title":"Advances and Recent Patents in the Field of Grinding Temperature Measurement Methods","authors":"Yaogang Wang, Changhe Li, Benkai Li, Min Yang, Xiaowei Zhang","doi":"10.2174/1874464808666150304233653","DOIUrl":"https://doi.org/10.2174/1874464808666150304233653","url":null,"abstract":"","PeriodicalId":20875,"journal":{"name":"Recent Patents on Materials Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80009282","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 : 2015-03-28DOI: 10.2174/1874464808666150203003126
C. Yue, Huize Feng, Z. Zhong, Haitao Zhang
{"title":"Development and Application of Materials of Cutting Tools for Machining of Hard Materials","authors":"C. Yue, Huize Feng, Z. Zhong, Haitao Zhang","doi":"10.2174/1874464808666150203003126","DOIUrl":"https://doi.org/10.2174/1874464808666150203003126","url":null,"abstract":"","PeriodicalId":20875,"journal":{"name":"Recent Patents on Materials Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89189417","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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