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CALPHAD modeling of metastable phases and ternary compounds in Ti-Al-N system
Zhang, Yanhui; Franke, Peter; Seifert, Hans Juergen; Zhang, YH (reprint author), Chinese Acad Sci, High Performance Ceram Div, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.; Zhang, YH (reprint author), Karlsruhe Inst Technol, Inst Appl Mat Appl Mat Phys IAM AWP, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany.
2017-12-01
Source PublicationPERGAMON-ELSEVIER SCIENCE LTD
ISSN0364-5916
Volume59Pages:142-153
AbstractThe development and evaluation of thermodynamic databases for the Ti-Al-N system is important for a wide range of engineering alloys. In this work, we resorted to the integration of ab initio thermodynamics, experiments and CALPHAD modeling for a comprehensive understanding of the metastable and the ternary phases in Ti-Al-N system. The supersaturated solutions of (Ti,Al)N with both rocksalt and wurtzite structures were well described by using the sub-regular solution model. Thereby, the formation, the phase separation and the meta-solubility of TiAlN coatings were successfully elaborated by the metastable pseudo-binary TIN-AIN section and the PVD (physical vapor deposition) phase diagram. Moreover, a number of isothermal and isopleth sections were also calculated and compared with available experiments and previous thermodynamic assessments. For the first time the ternary compound of tau(3) was corrected as Ti4AlN3 in our proposed database.; The development and evaluation of thermodynamic databases for the Ti-Al-N system is important for a wide range of engineering alloys. In this work, we resorted to the integration of ab initio thermodynamics, experiments and CALPHAD modeling for a comprehensive understanding of the metastable and the ternary phases in Ti-Al-N system. The supersaturated solutions of (Ti,Al)N with both rocksalt and wurtzite structures were well described by using the sub-regular solution model. Thereby, the formation, the phase separation and the meta-solubility of TiAlN coatings were successfully elaborated by the metastable pseudo-binary TIN-AIN section and the PVD (physical vapor deposition) phase diagram. Moreover, a number of isothermal and isopleth sections were also calculated and compared with available experiments and previous thermodynamic assessments. For the first time the ternary compound of tau(3) was corrected as Ti4AlN3 in our proposed database.
description.department[zhang, yanhui] chinese acad sci, high performance ceram div, shenyang natl lab mat sci, inst met res, shenyang 110016, liaoning, peoples r china ; [zhang, yanhui ; franke, peter ; seifert, hans juergen] karlsruhe inst technol, inst appl mat appl mat phys iam awp, hermann von helmholtz pl 1, d-76344 eggenstein leopoldshafen, germany
KeywordTi-al-n Metastable Coatings Spinodal Decomposition Pvd Phase Diagram
Subject AreaThermodynamics ; Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationHelmholtz Association
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78948
Collection中国科学院金属研究所
Corresponding AuthorZhang, YH (reprint author), Chinese Acad Sci, High Performance Ceram Div, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.; Zhang, YH (reprint author), Karlsruhe Inst Technol, Inst Appl Mat Appl Mat Phys IAM AWP, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany.
Recommended Citation
GB/T 7714
Zhang, Yanhui,Franke, Peter,Seifert, Hans Juergen,et al. CALPHAD modeling of metastable phases and ternary compounds in Ti-Al-N system[J]. PERGAMON-ELSEVIER SCIENCE LTD,2017,59:142-153.
APA Zhang, Yanhui,Franke, Peter,Seifert, Hans Juergen,Zhang, YH ,&Zhang, YH .(2017).CALPHAD modeling of metastable phases and ternary compounds in Ti-Al-N system.PERGAMON-ELSEVIER SCIENCE LTD,59,142-153.
MLA Zhang, Yanhui,et al."CALPHAD modeling of metastable phases and ternary compounds in Ti-Al-N system".PERGAMON-ELSEVIER SCIENCE LTD 59(2017):142-153.
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