Al-5Ti-1B对AZ31合金组织与性能的影响

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2010-03-20

Journal: 特种铸造及有色合金

Included Journals: CSCD、ISTIC、PKU

Volume: 30

Issue: 3

Page Number: 266-269

ISSN: 1001-2249

Key Words: AZ31镁合金;Al-5Ti-1B;力学性能;微观组织

Abstract: 研究了Al-5Ti-1B中间合金不同添加量对AZ31镁合金显微组织和力学性能的影响.结果表明,在AZ31镁合金中添加Al-5Ti-1B中间合金有利于组织性能的改善.在试验中,添加量控制在0.5%为佳,此时,合金晶粒尺寸达到最小,约为170 μm,是AZ31镁合金未添加细化剂时晶粒尺寸的30%,抗拉强度及伸长率分别达到最大.AZ31镁合金组织性能的变化主要与Al-5Ti-1B中间合金中的游离Ti和TiB_2有关.

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