不锈钢复合板界面组织形貌

doi:10.13228/j.boyuan.issn0449-749x.20180135

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Abstract The interfacial microstructures seriously affect the bonding strength and corrosion resistance. The SUS304 stainless steel/plain carbon steel clad plate was prepared by the hot rolling experiment in the argon atmosphere. The microstructure，the elemental diffusion and the embedment of the steel clad plate were observed and analyzed. The results showed that a mutual embedment between the two metals formed in the interfacial region of clad plates. The degree of embedment increased，the interfacial cavity decreased and the bonding strength rose with the increasing of the rolling pass. The carbon atoms diffused from the carbon steel to the stainless steel in the vicinity of the interface. The analysis of XRD and TEM showed that the Cr-rich carbide phase was M23C6. The shear strength of stainless steel clad plate increased with the reduction rate increasing. The shear strength reached 360 MPa after the hot rolling with a total reduction rate of 74.5%.

Key words： Key words: stainless steel clad plate interface embedment carbide

Received: 02 April 2018 Published: 20 November 2018

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	YU Shou

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YU Shou. Interfacial microstructure morphologies of stainless steel clad plate[J]. Iron and Steel, 2018, 53(11): 63-69.

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http://www.chinamet.cn/Jweb_gt/EN/10.13228/j.boyuan.issn0449-749x.20180135 OR http://www.chinamet.cn/Jweb_gt/EN/Y2018/V53/I11/63

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