等离子冷床炉单次熔炼制备Ti-2Al-1.5Mn合金

许正芳; 石磊; 徐锋

doi:10.15980/j.tzzz.2020.04.021

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等离子冷床炉单次熔炼制备Ti-2Al-1.5Mn合金
Slab Ingot of Ti-2Al-1.5Mn Titanium Alloy Prepared by Plasma Arc Cold Hearth Single Melting
2020年40卷第4期页码：441-445
纸质出版日期： 2020 ，
DOI： 10.15980/j.tzzz.2020.04.021

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[1]许正芳,石磊,徐锋.等离子冷床炉单次熔炼制备Ti-2Al-1.5Mn合金[J].特种铸造及有色合金,2020,40(04):441-445.

Xu Zhengfang, Shi lei, Xu feng. Slab Ingot of Ti-2Al-1.5Mn Titanium Alloy Prepared by Plasma Arc Cold Hearth Single Melting[J]. Special Casting & Nonferrous Alloys, 2020,40(4):441-445.
[1]许正芳,石磊,徐锋.等离子冷床炉单次熔炼制备Ti-2Al-1.5Mn合金[J].特种铸造及有色合金,2020,40(04):441-445. DOI： 10.15980/j.tzzz.2020.04.021.

Xu Zhengfang, Shi lei, Xu feng. Slab Ingot of Ti-2Al-1.5Mn Titanium Alloy Prepared by Plasma Arc Cold Hearth Single Melting[J]. Special Casting & Nonferrous Alloys, 2020,40(4):441-445. DOI： 10.15980/j.tzzz.2020.04.021.

摘要

主要介绍了等离子冷床炉单次熔炼制备Ti-2Al-1.5Mn钛合金铸锭在化学成分、组织、内部品质等方面的情况。结果表明

首次使用PAM炉单次熔炼法制备出航空领域工业级厚330mm、宽750mm、长1 000～2 500mm的钛合金扁锭

其化学成分可控且均匀性较好

纵横向组织均匀细小。此外

获得PAM炉单次熔炼法制备的钛合金扁锭全截面低倍组织图谱特征。铸锭经加工变形后获得的板材产品理化性能满足技术要求。

Abstract

The chemical composition

micro-structure and internal quality of Ti-2Al-1.5Mn slab ingot were described for melting by single plasma arc cold hearth（PAMCHM）.The results show that the slab titanium ingot of 330 mm×750 mm×（1 000～2 500）mm is produced by single PAM melting sucessfully.The ingot has a desirable chemical composition and uniform distribution with fine and uniform structure.The macro-structure distribution map of the slab ingot was also obtained.After processing deformation

the physical properties of the plates and sheets can better meet the requirements of technical specification.

关键词

等离子冷床炉单次熔炼Ti-2Al-1.5Mn钛合金

Keywords

Plasma Arc Cold Hearth Melting （Pamchm）Single MeltingTi-2Al-1.5Mn Alloy

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