Study of the Interface Characteristic of Be/HR-1 Stainless Steel Following Diffusion Bonding

Peng-Cheng Zhang, Bin Bai, Jiang-Rong Yang, Jue-Sheng Zou and Shou-Qi Zhou
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Peng-Cheng Zhang: China Academy of Engineering Physics, Box 919-71, Mianyang, Sichuan, 621900, China
Bin Bai: China Academy of Engineering Physics, Box 919-71, Mianyang, Sichuan, 621900, China
Jiang-Rong Yang: China Academy of Engineering Physics, Box 919-71, Mianyang, Sichuan, 621900, China
Jue-Sheng Zou: China Academy of Engineering Physics, Box 919-71, Mianyang, Sichuan, 621900, China
Shou-Qi Zhou: Materials Institute, Chongqing University, Chongqing, 400044, China

Surface Review and Letters (SRL), 2003, vol. 10, issue 02n03, 331-336

Abstract: The interface structure of Be/HR-1 stainless steel (SS) joint following diffusion bonding was investigated. Metallurgical observation, electron scanning microscopy, X-ray diffraction and scanning Auger microspectroscopy were performed for basic evaluation of bonded joints. There are intermetallic compounds such as Be11Fe and Be12Cr in the interface region of Be/SS joints, which drastically reduce the mechanical strength of the joints. Cu, Ag and Al barriers can block effective inter-diffusion of Be and HR-1 stainless steel, then forming brittle phases.

Keywords: Beryllium; HR-1 stainless steel; diffusion bonding; interface (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1142/S0218625X03004858

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