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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......
Ti-5Al-5Mo-5V-1Cr-1Fe,根据国标GB/T 4698.7-2011实际检测出化学成分见表1. 表1 TC18 合金的化学成分 Table 1 Chemical composition of TC18 alloy (mass fraction, %) 根据试验设备的相关参数及应变率范围,确定试验试样尺寸为d 6 mm×6 mm.常温准静态压缩试验在内蒙古科技大学土木工程学院的WDW-200电子万...-strain curve of TC18 alloy at room temperature under quasi-static compression 2 Johnson-Cook模型构造 通过霍普金森压杆试验得到的TC18合金动态力学性能可采用Johnson-Cook模型进行表征,由于其考虑了温度,应变率和应变等因素,形式简单,具有清晰的物理解释,并较容易求解参数,被广泛用来表征......
design[J]. Journal of Flight Science, 1967, 15(11): 407-419. Effect of notch and mean stress on fatigue strength of TC18 alloy bars ZHANG Le, LIU Ying-ying, SUN Yu-xing, XUE Xi-hao (School... of stress concentration and mean stress on fatigue strength of TC18 bars, a new model is established, and the data obtained by the new model agree well with the experimental results. Key words: TC18 alloy......
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......
图分类号:TG 146.23 文献标志码:A Calculation analysis of hot deformation structure of TC18 alloy WANG Qing-rui, SHA Ai-xue, HUANG Li-jun, LI Xing-wu (Beijing Institute of Aeronautical Materials, Beijing 100095, China) Abstract: The fractal theory was applied to analyze the hot deformation microstructure of TC18 alloy under different technological conditions. Box Counting Method......
: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......
；TG146 文献标志码:A Finite element simulation and experiment of isothermal die forging process of TC18 Ti alloy disc LI Li, ZHANG Xiao-yong, LI Chao, LI Zhi-you, ZHOU Ke-chao (State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: Arrhenius constitutive relationship of TC18 Ti alloy......
≥25J/cm2. 在相变点附近变形时容易导致合金组织和性能出现不均匀性. 关键词: TC18钛合金; 热变形温度; 显微组织; 力学性能 中图分类号: TG146.23 文献标识码: A Influence of hot deformation temperature on microstructure and mechanical properties of TC18 alloy SHA..., respectively. When deforming near beta transition point, it may lead to the uncertainty of microstructure and properties of TC18 alloy. Key words: TC18 alloy; hot deformation temperature......
, 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... is in accordance with the damage field obtained from simulation. The above verification shows that the simulation are coincident with the experimental results.Key words:TC18 titanium alloy; hot rolling......
