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材料研究学报  2010, Vol. 24 Issue (3): 283-288    
  研究论文 本期目录 | 过刊浏览 |
钼钨含量和热处理对一种高温钛合金拉伸性能的影响
王永, 卢斌,  杨锐
中国科学院沈阳金属研究所钛合金研究部 沈阳 110016
Effect of (Mo, W) Content and Heat Treatment on the Tensile Properties of a High–temperature Titanium Alloy
WANG Yong, LU Bin, YANG Rui
Titanium Alloy Department of Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110066
引用本文:

王永 卢斌 杨锐. 钼钨含量和热处理对一种高温钛合金拉伸性能的影响[J]. 材料研究学报, 2010, 24(3): 283-288.
. Effect of (Mo, W) Content and Heat Treatment on the Tensile Properties of a High–temperature Titanium Alloy[J]. Chin J Mater Res, 2010, 24(3): 283-288.

全文: PDF(813 KB)  
摘要: 

研究了具有不同β相稳定化元素(Mo, W)含量的TMW--1(Kβ=5.5)钛合金和TMW--2(Kβ=3.5)钛合金, 经不同双重和三重退火处理后的室温和650℃高温拉伸性能。结果表明: 经适当的热处理, 在不损害室温塑性的情况下,TMW--1钛合金和TMW--2钛合金在650℃的拉伸性能均能达到近$\alpha$钛合金在600℃的拉伸性能。为了保证合金650℃的拉伸性能, 合金中$\beta$稳定化元素(Mo, W)含量应使β稳定化系数Kβ保持在3.0--3.5为宜。

关键词 金属材料  β稳定化元素  β稳定化系数 拉伸性能 钛合金    
Abstract

The tensile properties at room temperature and at 650℃ of TMW–1 titanium alloy and TMW–2 titanium alloy, with different content of β–stabilizers (Mo, W), under different dual and ternary annealing, were studied. The results show that the tensile properties of TMW–1/2 titanium alloys at 650℃ were equivalent to those of several near α alloys at 600℃, without reducing the room temperature ductility. In order to improve the tensile properties at 650℃, the content of β–stabilizers (Mo,W) should keep the coefficient of β–stabilizers at 3.0–3.5.

Key wordsmetallic materials      β--stabilizers    the coefficient of β--stabilizers    the tensile properties    titanium alloy
收稿日期: 2010-01-21     
ZTFLH: 

TG146

 
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