Investigation into Intermetallic Compounds in Al/Ni/0Cr18Ni9Ti Diffusion Bonded Joint

成小乐; 高义民; 邢建东; 廖熠; 尹敏

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Investigation into Intermetallic Compounds in Al/Ni/0Cr18Ni9Ti Diffusion Bonded Joint

更新时间：2025-12-08

- Investigation into Intermetallic Compounds in Al/Ni/0Cr18Ni9Ti Diffusion Bonded Joint
- Vol. 41, Issue 7, Pages: 867-869+874(2007)
- 作者机构：
  
  西安交通大学金属材料强度国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： [TB331]
- Online First：10 July 2007，
  
  Published：2007
- 稿件说明：
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成小乐, 高义民, 邢建东, et al. Investigation into Intermetallic Compounds in Al/Ni/0Cr18Ni9Ti Diffusion Bonded Joint[J]. 2007, 41(7): 867-869+874.
DOI：

成小乐, 高义民, 邢建东, et al. Investigation into Intermetallic Compounds in Al/Ni/0Cr18Ni9Ti Diffusion Bonded Joint[J]. 2007, 41(7): 867-869+874. DOI：

摘要

选取纯Ni箔作过渡层

采用真空热压扩散工艺

在加热温度480 ℃、压力10 MPa、真空度1.0×10

-2

Pa的工艺条件下

制备了变形铝合金2024和不锈钢0Cr18Ni9Ti双金属复合材料.利用扫描电子显微镜、能谱仪、X射线衍射仪和显微硬度仪等测试分析方法

对双金属复合材料的2个连接界面及基体进行了组织、性能分析.结果表明:不锈钢/纯Ni界面形成了宽约8 μm的互扩散区

但其过渡区无金属间化合物生成; Al/Ni界面生成了宽约4 μm的扩散过渡区

过渡区的相组成为金属间化合物Al

、Al

Ni及Al

Abstract

Choosing pure nickel foil as the transition layer

Al/0Cr18Ni9Ti bimetallic composite is prepared with the vacuum warm compaction diffusion method under the condition of 480 ℃ compaction temperature

10 MPa pressure and 1.0×10

-2

Pa vacuum. The structures and performances of the two bimetallic composite bonding interfaces and matrix are analyzed respectively with scanning electron microscope

X-ray diffractometer and Vickers microhardness scale. It is found that under the condition of diffusion bonding

three kinds of intermetallic compounds

Ni and Al

form in the Al/Ni interface less than 4 μm in thickness; and no intermetallic compound forms in the Ni/0Cr18Ni9Ti

diffusion zone with about 8 μm in thickness.

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references

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