BTi-421111钛合金是一种低成本中强钛合金，通过研究BTi-421111钛合金薄板冷轧变形量、退火温度等工艺参数对室温力学性能和显微组织的影响，探讨了BTi-421111钛合金薄板冷变形特点及组织性能的变化规律，确定了BTi-421111钛合金最佳的退火温度。研究结果表明： BTi-421111钛合金板材具有较好的冷变形能力，合理的变形量为30％左右，此时板材的抗拉强度为1140 MPa，延伸率为11％，强度-塑性匹配良好；最佳退火温度为780～810℃。
BTi-421111 is a kind of low-cost and moderate-strength titanium alloy .The effects of cold rolling reduc-tion, annealing temperature on mechanical property and microstructure at room temperature was investigated in this paper .The cold deformation character and the structure evolution law of BTi-421111 titanium alloy sheets have been summarized .It is found that BTi-421111 has the good perfomrance of cold deformation .The reasonable deformation is approx.30%.The tensile strength is 1 140 MPa and elongation is 11%.The strength and ductility has good match . The optimal heat treatment is 780~810 ℃.
参考文献
| [1] | 高原,徐晋勇,高清,安晋平,徐重.双层辉光离子渗金属技术特点[J].中国工程科学,2008(02):26-30. |
| [2] | 王金友;葛志明;周彦邦.航空用钛合金[M].上海:上海科学技术出版社,1985 |
| [3] | 王小翔,杨伟,王俭,王韦琪,魏寿庸.中间β处理对Ti-51111S合金板材组织与性能的影响[C].中国有色金属学会第十二届材料科学与合金加工学术年会论文汇编,2007:143-146. |
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