云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(50771041)

国家自然科学基金(50771041): 作品数：12被引量：27H指数：3; 导出分析报告; 相关作者：傅恒志郭景杰苏彦庆刘江平骆良顺更多>>; 相关机构：哈尔滨工业大学更多>>; 相关期刊：《铸造》《China Foundry》《Transactions of Nonferrous Metals Society of China》《稀有金属材料与工程》更多>>; 相关主题：TIAL3GROWTHTI-46ALLOYSSOLIDIFIED更多>>; 相关领域：金属学及工艺一般工业技术建筑科学更多>>

箔冶金法制备Ti-Al-W-Si合金板材被引量：1: 《稀有金属材料与工程》2012年第S2期316-319,共4页刘江平苏彦庆陈晖骆良顺徐严谨郭景杰傅恒志; 国家自然科学基金(50771041); 用热压逐层叠置的TiWSi合金箔与Al箔的方法制备了Ti-46Al-4W-Si的合金板材。热压工艺为645℃/15h+900℃/30h+1370℃/2h。利用扫描电子显微镜(SEM)和X射线衍射仪(XRD)对板材的组织和成分进行了分析。板材呈近全片层组织。由于Kirkenall...; 关键词：热压箔冶金钛铝板材

Effect of thermal stabilization on microstructure and mechanical property of directionally solidified Ti-46Al-0.5W-0.5Si alloy被引量：1: 《Transactions of Nonferrous Metals Society of China》2012年第5期1073-1080,共8页樊江磊李新中苏彦庆陈瑞润郭景杰傅恒志; Projects (50801019, 51071062, 50771041) supported by the National Natural Science Foundation of China;Project (2011CB605504) supported by the National Basic Research Program of China; Effect of thermal stabilization on the microstructure and mechanical property of directionally solidified Ti-46Al-0.5W-0.5Si （mole fraction, %） alloy was investigated. The specimens were thermal stabilized for diffe...; 关键词：INTERMETALLICS TiAl-based alloy crystal growth microstructure evolution mechanical properties

Fabrication of wavy γ-TiAl based sheet with foil metallurgy被引量：3: 《Transactions of Nonferrous Metals Society of China》2012年第1期72-77,共6页LIU Jiang-ping SU Yan-qing LUO Liang-shun CHEN Hui XU Yan-jin GUO Jing-jie FU Heng-zhi; Project (50771041) supported by the National Natural Science Foundation of China;Project (05-0350) supported by the New Century Excellent Talents in University, China; A 0.7 mm-thick wavy γ-TiAl sheet with fully lamellar microstructure was fabricated by hot pressing Ti/Al alternate foils with heat treatment of 640 °C, 15 h＋850 °C, 35 h＋1350 °C, 2 h. The intermetallic compounds...; 关键词：solid state reaction phase transformation titanium aluminides foil metallurgy

Thermo-Calc and T-f_S-C_L coupling based method to determine solidification paths of alloys solidified under condition of Biot≤0.1被引量：1: 《Transactions of Nonferrous Metals Society of China》2012年第1期139-146,共8页ZHAO Guang-wei LI Xin-zhong XU Da-ming GUO Jing-jie FU Heng-zhi DU Yong HE Yue-hui; Projects (2008112042) supported by the Open Project of State Key Laboratory of Powder Metallurgy of Central South University, China;Projects (50771041, 50801019) supported by the National Natural Science Foundation of China;Project (2011CB610406) supported by the National Basic Research Program of China; A binary continuum model for dendritic solidification transport phenomena and corresponding numerical algorithm for the strong nonlinear coupling of T-fS-CL were extended to multicomponent alloys solidified under cond...; 关键词：THERMO-CALC solidification transport solidification paths MICROSEGREGATION

Ti/Al固态扩散偶中初生相的选择(英文)被引量：6: 《稀有金属材料与工程》2011年第5期753-756,共4页刘江平苏彦庆徐严谨骆良顺郭景杰傅恒志; National Natural Science Foundation of China(50771041);New Century Excellent Talents in University(05-0350); 用热压法制备Ti/Al扩散偶,并在525,550,575,600℃进行热处理。结果表明:当Al未完全消耗时,TiAl3是Ti/Al界面处唯一的产物,TiAl3向Al箔一侧长大,Ti箔中没有检测到Al原子的存在。从固溶体的溶解度极限,Al、Ti和TiAl3的晶格失配度,以及新...; 关键词：TIAL3 相选择界面能长大动力学

Numerical simulation of intermediate phase growth in Ti/Al alternate foils被引量：5: 《Transactions of Nonferrous Metals Society of China》2011年第3期598-603,共6页刘江平骆良顺苏彦庆徐严谨李新中陈瑞润郭景杰傅恒志; Project (50771041) supported by the National Natural Science Foundation of China;Project (05-0350) supported by the New Century Excellent Talents in University, China; To investigate the diffusion reaction between Ti/Al solid diffusion couple, Ti/Al alternate foils formed by hot pressing were annealed at 525, 550, 575 and 600 °C for time ranging from 1 to 40 h. The experimental res...; 关键词：hot pressing diffusion couple TIAL3 finite difference method numerical simulation

γ-TiAl基合金薄板制备技术被引量：1: 《特种铸造及有色合金》2010年第2期127-130,共4页刘江平苏彦庆郭景杰骆良顺傅恒志; 国家自然科学基金资助项目(50771041);新世纪优秀人才支持计划资助项目(NCET05-0350); 综述了4种制备TiAl基合金薄板的方法。特殊轧制法较为成熟但对工艺要求严格,箔冶金法和物理气相沉积法制备的板材杂质含量低,铸轧法工艺简单但组织欠均匀。介绍了合金元素及热处理工艺对TiAl基合金薄板组织的影响。论述了上述制备技术...; 关键词：TIAL基合金板材显微组织力学性能

Phase-field simulation of lamellar growth for a binary eutectic alloy被引量：1: 《Transactions of Nonferrous Metals Society of China》2010年第2期302-307,共6页李新中刘冬梅孙涛苏彦庆郭景杰傅恒志; Projects(50771041,50801019)supported by the National Natural Science Foundation of China;Project(20080430909)supported by China Postdoctoral Science Foundation;Project(HITQNJS.2008.018)supported by Development Program for Outstanding Young Teachers in Harbin Institute of Technology,China; Using general multi-phase-field model,detailed microstructures corresponding to different initial lamellar sets were simulated in a binary eutectic alloy with an asymmetric phase diagram.The simulation results show th...; 关键词：phase-field simulation microstructure eutectic lamella

Effects of hydrogenation on ambient deformation behaviors of Ti-45Al alloy: 《Transactions of Nonferrous Metals Society of China》2009年第S02期403-408,共6页SU Yan-qing LIU Xin-wang ZHAO Long WANG Liang GUO Jing-jie FU Heng-zhi; Project(50771041)supported by the National Natural Science Foundation of China。; Effects of hydrogenation on ambient deformation behaviors of Ti-45Al alloy were studied.The stress-strain curves demonstrate that the plastic deformation of the hydrogenated alloys becomes more remarkable than that of...; 关键词：hydrogen TiAl alloy HYDRIDE DISLOCATION fracture

合金元素挥发损失量计算动力学模型被引量：4: 《铸造》2009年第4期373-375,共3页张正贺苏彦庆陈大洲郭景杰傅恒志; 国家自然科学基金项目(50771041);教育部新世纪优秀人才项目05-0350); 建立了计算熔体中组元挥发损失量随保温时间变化的模型,该模型耦合了挥发过程中熔体成分、组元活度、组元蒸汽压、挥发损失速率等变量。利用该模型计算得到了1373K时Cu-Zn熔体挥发过程中熔体成分及挥发速率的变化,同时得到了熔体质量损...; 关键词：质量挥发速率成分变化挥发损失

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