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间合金或四元中间合金等作为添加剂,对原料进行均匀化处理,并采用合理的熔化工艺,可获得成分均匀,满足要求的大规格TC18铸锭. 关键词:TC18钛合金铸锭;化学成分;均匀性 中图分类号:TG146.2 文献标志码:A Melting process of TC18 titanium alloy ingot QIAO Lu, CHEN... uniformity control of TC18 titanium alloy ingot, the influences of alloy elements adding mode and melting process parameters on chemical uniformity were studied. The results indicate that through evening......
of d100 mm TC18 titanium alloy bar produced by different forging and heat treatment process, the variation rule of ultrasonic level corresponding to microstructures obtained by different process scheme... processing structure. With the variation of the microstructure morphologies and size, the ultrasonic clutter level is changed significantly. Key words: TC18 titanium alloy; microstructure; inspection......
文献标志码:A High temperature creep behavior of TC18 titanium alloy DING Chang-qin1, 2, LIU Hui-qun1, 3, NIE Xian3, GAO Qi1, 2, WANG Ding-chun1, 2, CHEN Ti-ying3, ZHENG Zhi-bin3, YI... 410083, China) Abstract: The high temperature creep behavior of TC18 titanium alloy was studied. The conditions of creep experiment were as follows: applied stress 200, 250 and 300 MPa, creep......
:TG115.5+2;TG146.2+3 文献标志码:A Relationship between heat treatment process and room-temperature tensile properties of TC18 titanium alloy JIA Bai-fang1,2, YANG Yi2, ZHOU Wei2, GE... Institute for Nonferrous Metal Research, Xi’an 710016, China) Abstract: The relationships between room-temperature tensile properties of TC18 titanium alloy and solution (α+β phase region) as well as aging......
element simulation of hot rolling of TC18 titanium alloyWANG Xin-ping, LI Li, ZHANG Xiao-yong, ZHOU Ke-chao, LI Chao(State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China)Abstract:Based on thermal simulation a Arrhenius type constitutive relationship of TC18 titanium alloy was applied to the finite element simulation of multi-lane hot rolling. The field......
DOI:10.19476/j.ysxb.1004.0609.2018.12.07 缺口和平均应力对TC18棒材疲劳强度的影响 张 乐,刘莹莹,孙宇幸,薛希豪 (西安建筑科技大学 冶金工程学院,西安 710055) 摘 要:在不同的应力集中系数Kt和应力比R下,分析缺口(应力集中)和平均应力对TC18棒材疲劳强度的影响.结果表明:TC18棒材的应力幅σa随应力集中系数和应力比的增大而减小,但其最大应力σmax随应力比的增大而增大.应力集中和平均应力对TC18棒材疲劳强度的影响可分别用应力集中敏感因子A和平均应力敏感因子Am来衡量.为了进一步评估应力集中和平均应力对TC18棒材疲劳强度的综合影响,建立一种新的模型,并且通过新模型得到的数据和实验结果匹配较好. 关键词:TC18合金;疲劳强度;应力集中;平均应力 文章编号:1004-0609(2018......
microstructure[J]. Chinese Journal of Rare Metals, 2018, 42(6): 594-600. [4] JIA Bao-hua, SONG Wei-dong, TANG Hui-ping, NING Jian-guo. Hot deformation behavior of TC18 titanium alloy[J]. Thermal Science, 2013...-kun, SHEN Jing-yuan, LIU Rui, GUO Hong-zhen. Superplastic behavior and deformation mechanism of TC18 titanium alloy[J]. Journal of Materials Engineering, 2017, 45(5): 80-85. [7] 贾百芳, 杨 义, 周 伟, 葛 鹏, 冯 亮......
相互影响的结果. REFERENCES [1] 孟笑影, 殷俊林. 热处理工艺对TC18钛合金组织和性能的影响[J]. 热处理, 2006, 21(1): 36-40. MENG Xiao-ying, YIN Jun-lin. Effect of heat treatment process on structure and property of TC18 titanium alloy[J...文章编号:1004-0609(2013)S1-s0556-05 TC18钛合金热变形组织的计算分析 王清瑞,沙爱学,黄利军,李兴无 (北京航空材料研究院,北京 100095) 摘 要:根据分形几何学理论,分析了TC18钛合金不同工艺条件下的热变形微观组织.利用盒维数法计算出微观组织的分形维数,并讨论了分形维数,微观组织与变形条件之间的关系.结果表明:TC18钛合金热变形组织具有自相似......
; 文献标志码:A Phase transformation behavior of TC18 near β titanium alloy deformed at low temperature LI Shao-jun, ZHANG Xiao-yong, LI Chao (State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: TC18 near β titanium alloy was wildly applied for its high strength, high breaking tenacity and good corrosion resistance. And it is possible to improve......
纹扩展区 中图分类号:TG 113 文献标志码:A Fractograph and fatigue behavior of TC18 titanium alloy lugs LIU Cui-yun, LI Huan-xi, MA Chao-li (Key Laboratory of Aerospace Materials and Performance, Ministry of Education, School of Materials Science and Engineering, Beihang University, Beijing 100191, China) Abstract: The fatigue behavior of straight lugs of TC18 titanium alloy......