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Effect of Rolling Reduction Ratio on the Interfacial Microstructure and Properties of Titanium-steel Composite Plates
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Xiyang CHAI1, Wenbing YAN1, 3, Yang YANG2, Ping'an CHANG1, Yifei WANG1, 3, Hang YU1, Xiaobing LUO1
Angang Technology | 2026, (4) : 30 - 37
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Angang Technology | 2026, (4): 30-37
• Research and Development •
Effect of Rolling Reduction Ratio on the Interfacial Microstructure and Properties of Titanium-steel Composite Plates
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Xiyang CHAI1, Wenbing YAN1, 3, Yang YANG2, Ping'an CHANG1, Yifei WANG1, 3, Hang YU1, Xiaobing LUO1
Affiliations
  • 1.Research Institute of Structural Steels, Central Iron and Steel Research Institute Group, Beijing 100081, China
  • 2.Ansteel Iron & Steel Research Institutes, Anshan 114009, Liaoning, China
  • 3.School of Materials Science and Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
doi: 10.3969/j.issn.1006-4613.2026.04.004
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The symmetrical steel/titanium/titanium/steel billet assembly and vacuum hot rolling bonding process were adopted to investigate the effect of rolling reduction ratio on the interfacial microstructure and properties of TA1 commercially pure titanium-EH40 steel composite plates. The micromorphology and element diffusion behavior at the titanium-steel interface were characterized by means of optical microscopy (OM), field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM). Meanwhile, the effect of interfacial microstructure on mechanical properties under different reduction ratios was analyzed. The results showed that the interfacial bonding strength increased significantly with the rise of reduction ratio. When the rolling reduction ratio increased from 3 to 6, the interfacial shear strength and bonding strength increased by 84 MPa and 67 MPa, respectively. The interfacial reaction layers were composed of β -Ti, TiC and FeTi phases under all reduction ratio conditions. With the increase of reduction ratio, the interfacial bonding quality was improved, while the total thickness of the interfacial reaction layer and the thickness of the brittle layer showed a decreasing trend. The reduction of interfacial defects and the thinning of the reaction layer were the microstructural factors responsible for the improvement of interfacial bonding properties.

titanium-steel composite plate  /  rolling reduction ratio  /  interfacial void  /  intermetallic compound
柴希阳, 严文兵, 杨洋, 常平安, 王一飞, 余航, 罗小兵. 轧制压缩比对钛-钢复合板界面组织与性能的影响. 鞍钢技术, 2026 , (4) : 30 -37 . DOI: 10.3969/j.issn.1006-4613.2026.04.004
Xiyang CHAI, Wenbing YAN, Yang YANG, Ping'an CHANG, Yifei WANG, Hang YU, Xiaobing LUO. Effect of Rolling Reduction Ratio on the Interfacial Microstructure and Properties of Titanium-steel Composite Plates[J]. Angang Technology, 2026 , (4) : 30 -37 . DOI: 10.3969/j.issn.1006-4613.2026.04.004
Appendix
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Year 2026 volume Issue 4
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Article Info
doi: 10.3969/j.issn.1006-4613.2026.04.004
  • Online Date：2026-09-20
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History
  • Revised：2026-06-15
Funding
Affiliations
    1.Research Institute of Structural Steels, Central Iron and Steel Research Institute Group, Beijing 100081, China
    2.Ansteel Iron & Steel Research Institutes, Anshan 114009, Liaoning, China
    3.School of Materials Science and Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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