Effect of.vacuum level on.microstructure and.mechanical properties of.titanium�Csteel vacuum roll clad plates

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Abstract Vacuum roll cladding (VRC) was used to bond pure titanium (Ti) plate to a plain low carbon steel (Q345) with the aim of obtaining a high-quality Ti�Csteel clad plate. The e.ect of interfacial compound on the microstructure and mechanical properties of Ti�Csteel clad plate was studied by electron probe microanalysis, scanning electron microscopy, X-ray di.raction and shear test. The clad plates were heated at 850.��C for 120.min and welded at di.erent levels of vacuum. The results indicated that the cracked zone of the bonded interface decreased signi.cantly with the increase in the level of vacuum during welding. Welding at atmospheric pressure, the randomly distributed TiN damaged the continuity of TiC and the uniformly di.used region of Ti and Fe at the bonded interface, while welding in vacuum of 1.��.10 .2 Pa, maximum shear strength of 298.MPa was obtained because of the decrease in TiN content.

Key words�� vacuum roll cladding (VRC) Ti-steel clad plate shear strength interface intermetallic compound

Received: 20 January 2017 Published: 15 May 2018

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	Articles by authors
	DE-HAN -YANG
	LUO Zong-An
	GUANG-MING -XIE
	MING-KUN

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DE-HAN -YANG,LUO Zong-An,GUANG-MING -XIE��. Effect of.vacuum level on.microstructure and.mechanical properties of.titanium�Csteel vacuum roll clad plates[J]. Journal of Iron and Steel Research International, 2018, 25(1): 72-80.

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http://gt.chinamet.cn/Jweb_gtyjxb_en/EN/ OR http://gt.chinamet.cn/Jweb_gtyjxb_en/EN/Y2018/V25/I1/72

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