Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/74593
Title: Element diffusion model with variable coefficient in bimetallic bonding process
Authors: Sun, CY
Cong, YP
Zhang, QD
Fu, MW 
Li, L
Keywords: Bimetallic materials
Bonding
Diffusion model
Element diffusion
Transition zone
Issue Date: 2018
Publisher: Elsevier
Source: Journal of materials processing technology, 2018, v. 253, p. 99-108 How to cite?
Journal: Journal of materials processing technology 
Abstract: The bimetallic bonding mechanisms including macroscopic deformation, microstructure evolution and element diffusion were investigated by using bimetallic hot compression tests of X65/316L. An element concentration diffusion model with a variable coefficient was proposed to determine the element concentration in the metallurgical bonding transition zone (MBTZ). Diffusion distance, strain, deformation temperature and holding time were taken into account in the model. A finite element model of the clad pipes hot extrusion process to investigate the element diffusion behavior in the MBTZ was developed by the proposed diffusion model. The concentration predicted by the proposed model have a good agreement with the experimental results and the proposed model is more accurate than the reference model.
URI: http://hdl.handle.net/10397/74593
ISSN: 0924-0136
EISSN: 1873-4774
DOI: 10.1016/j.jmatprotec.2017.10.045
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