Effects of Heat Treatment on Microstructure and Hardness of TA2 Material

Zhi Youran; Zhou Yuhua

doi:10.15980/j.tzzz.2017.11.029

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Effects of Heat Treatment on Microstructure and Hardness of TA2 Material
Vol. 37, Issue 11, Pages: 1266-1268(2017)
Published： 2017 ，
DOI： 10.15980/j.tzzz.2017.11.029

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[1]支有冉,周玉华.热处理对TA2材料的金相组织及硬度的影响[J].特种铸造及有色合金,2017,37(11):1266-1268.

Zhi Youran, Zhou Yuhua. Effects of Heat Treatment on Microstructure and Hardness of TA2 Material. [J]. Special Casting & Nonferrous Alloys 37(11):1266-1268(2017)
[1]支有冉,周玉华.热处理对TA2材料的金相组织及硬度的影响[J].特种铸造及有色合金,2017,37(11):1266-1268. DOI： 10.15980/j.tzzz.2017.11.029.

Zhi Youran, Zhou Yuhua. Effects of Heat Treatment on Microstructure and Hardness of TA2 Material. [J]. Special Casting & Nonferrous Alloys 37(11):1266-1268(2017) DOI： 10.15980/j.tzzz.2017.11.029.

摘要

研究了不同热处理条件下化工用TA2合金的微观组织和硬度的变化。结果发现

随着保温温度的升高

TA2合金晶粒逐渐长大。此外

炉冷相比于空冷和水冷

对晶粒的长大促进作用最为明显。硬度测试发现

不同厚度的TA2合金在910℃×2h+水冷处理后均具有最高硬度。

Abstract

The change of microstructure and hardness of the TA2 alloy was analyzed after heat treatment at 600

700

800 and 910 ℃for 2 h.Microstructural observation of TA2 was carried out at air cooling

water cooling and furnace cooling.The results reveal that with increasing in holding temperature

grain size in the alloy is increased.Compared with the air cooling and water cooling

furnace cooling presents the more effects of coarsening grain size.Hardness testing shows that TA2 alloy with different thickness exhibits the maximum value at 910 ℃for 2 hafter water cooling.