钒中间层钛/钢复合板结合界面结构与力学性能
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摘要
利用真空热轧复合方法制备了钒中间层钛/钢复合板,采用SEM、EDS和XRD等分析结合界面形貌、元素扩散行为和界面相组成。结果表明:钒中间层钛/钢复合板界面实现了良好的冶金结合。与拉剪强度测试相结合,研究了钒中间层钛/钢复合板结合界面结构与力学性能。结果表明:钒中间层钛/钢复合板剪切强度均优于国家标准(140 MPa)。950℃轧制的复合板界面扩散层厚度大于900℃轧制的复合板扩散层厚度。钒中间层与Ti、Fe元素形成固溶体,有效阻止了金属间化合物TiFe和TiFe_2的产生。900℃轧制的钛钢复合板剪切强度为223 MPa,大于950℃轧制的复合板剪切强度。对剪切断口的分析表明裂纹多沿钒铁固溶体产生并扩展。
The titanium clad steel plates with vanadium interlayer were fabricated by vacuum hot rolling bonding,and the bonding interface morphology,interfacial element diffusion and phase structure were analyzed by SEM,EDS and XRD etc.The research results show that the excellent metallurgical bonding is obtained on the interfaces of the titanium clad steel plates with vanadium interlayer.Combined with the tensile shear strength test,the interfacial structure and mechanical properties of the titanium clad steel plates with vanadium interlayer were studied.The results show that the shear strength of the plates is better than the national standard of 140 MPa.The thickness of diffusion layer of titanium clad steel plates roll-bonded at 950 ℃ is more than that at 900 ℃.The solid solution is formed by the reaction of vanadium interlayer,Ti and Fe,which effectively prevents the generation of intermetallic compounds like TiFe and TiFe2.The shear strength of titanium clad steel plates roll-bonded at 900 ℃ is up to 223 MPa,which is more than that at 950 ℃.The analysis on shear fracture morphology shows that the crack of the shear test plates occurs and extends at the ferrovanadium solid solution layer.
The titanium clad steel plates with vanadium interlayer were fabricated by vacuum hot rolling bonding,and the bonding interface morphology,interfacial element diffusion and phase structure were analyzed by SEM,EDS and XRD etc.The research results show that the excellent metallurgical bonding is obtained on the interfaces of the titanium clad steel plates with vanadium interlayer.Combined with the tensile shear strength test,the interfacial structure and mechanical properties of the titanium clad steel plates with vanadium interlayer were studied.The results show that the shear strength of the plates is better than the national standard of 140 MPa.The thickness of diffusion layer of titanium clad steel plates roll-bonded at 950 ℃ is more than that at 900 ℃.The solid solution is formed by the reaction of vanadium interlayer,Ti and Fe,which effectively prevents the generation of intermetallic compounds like TiFe and TiFe2.The shear strength of titanium clad steel plates roll-bonded at 900 ℃ is up to 223 MPa,which is more than that at 950 ℃.The analysis on shear fracture morphology shows that the crack of the shear test plates occurs and extends at the ferrovanadium solid solution layer.
引文
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[2]曾周燏,王光磊,江姗,等.真空轧制钛/钢复合板的组织与性能[J].宽厚板,2016,22(5):6-9.ZENG Zhouyu,WANG Guanglei,JIANG Shan,et al.Microstructure and mechanical properties of titanium clad steel plate by vacuum rolling cladding[J].Wide and Heavy Plate,2016,22(5):6-9.
[3]HANG S,LUO X B,CHAI F,et al.Manufacturing technology and application trends of titanium clad steel plates[J].Journal of Iron and Steel Research,International,2015,22(11):977-982.
[4]刘德义,陈汝淑,刘宝岩,等.钛-钢扩散复合界面组织与结合强度[J].材料热处理学报,2007,28(8):239-242.LIU Deyi,CHEN Rushu,LIU Baoyan,et al.Microstructure and bond strength of the interface formed between titanium and steel by diffusion[J].Transactions of Materials and Heat Treatment,2007,28(8):239-242.
[5]刘德义,周纯,丛立军,等.铜中间层钛-钢扩散复合界面组织与性能[J].材料热处理学报,2012,33(4):105-109.LIU Deyi,ZHOU Chun,CONG Lijun,et al.Microstructure and mechanical properties of diffusion bonded joints between titanium and low carbon steel with copper interlayer[J].Transactions of Materials and Heat Treatment,2012,33(4):105-109.
[6]骆宗安,王光磊,谢广明,等.铌夹层对真空轧制复合Ti-不锈钢板的显微组织及性能的影响[J].中国有色金属学报,2013,23(12):3335-3340.LUO Zongan,WANG Guanglei,XIE Guangming,et al.Effect of Nb interlayer on microstructure and property of titanium-stainless steel clad plate bonded by vacuum hot-rolling[J].The Chinese Journal of Nonferrous Metals,2013,23(12):3335-3340.
[7]李继红,王晓伟,韩挺,等.Cu基材料作焊接过渡层TA1/Q345复合板接头的组织与性能[J].金属热处理,2017,42(8):49-53.LI Jihong,WANG Xiaowei,HAN Ting,et al.Microstructure and properties of TA1/Q345 composite plate joint with Cu based material for welding transition layer[J].Heat Treatment of Metals,2017,42(8):49-53.
[8]ZHAO D S,YAN J C,LIU Y J,et al.Interfacial structure and mechanical properties of hot roll bonded joints between titanium alloy and stainless steel using copper interlayer[J].Transactions of Nonferrous Metals Society of China,2014,24(9):2839-2844.
[9]LUO Z A,WANG G L,XIE G M,et al.Interfacial microstructure and properties of a vacuum hot roll-bonded titanium-stainless steel clad plate with a niobium interlayer[J].Acta Metallurgica Sinica,2013,26(6):754-760.
[10]YAN J C,ZHAO D S,WANG C W,et al.Vacuum hot roll bonding of titanium alloy and stainless steel using nickel interlayer[J].Metal Science Journal,2013,25(7):914-918.
[11]刘彦峰,邱云云,张美丽,等.基于铜中间层的钛合金与不锈钢的真空扩散焊研究[J].兵器材料科学与工程,2017(5):10-14.LIU Yanfeng,QIU Yunyun,ZHANG Meili,et al.Vacuum diffusion welding of titanium alloy and stainless steel with copper interlayer[J].Ordnance Material Science and Engineering,2017,(5):10-14.
[12]王敬忠,颜学柏,王韦琪,等.带夹层材料的爆炸-轧制钛钢复合板工艺研究[J].稀有金属材料与工程,2010,39(2):309-313.WANG Jingzhong,YAN Xuebai,WANG Weiqi,et al.Titanium cladding steel plates with interlayer by explosion and rolling bonding[J].Rare Metal Materials and Engineering,2010,39(2):309-313.
[13]BOKSTEIN B S,VNUKOV V I,GOLOSOV E V,et al.Structure and diffusion processes in laminated composites of a Cu-Ti system[J].Russian Physics Journal,2009,52(8):811-815.
[14]KUNDU S,CHATTERJEE S.Effect of temperature on formation of reaction products and strength properties of titanium and stainless steel joints using copper interlayer[J].Materials Science and Technology,2007,23(3):368-373.
[15]刘德义,蔡建伟,任瑞铭.钛/铜中间层/钢扩散焊复合管界面组织与性能[J].焊接学报,2013,34(1):49-52.LIU Deyi,CAI Jianwei,REN Ruiming.Microstructure and properties of diffusion bonded interface of titanium-copper interlayercarbon steel composite tube[J].Transactions of the China Welding Institution,2013,34(1):49-52.
[16]刘德义,尹青学,刘世程.铁中间层钛-钢扩散复合界面组织与性能[J].材料热处理学报,2012,33(4):106-110.LIU Deyi,YIN Qingxue,LIU Shicheng.Microstructure and mechanical properties of diffusion bonded joints between titanium and low carbon steel with an iron interlayer[J].Transactions of Materials and Heat Treatment,2012,33(4):106-110.
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[18]杨方方,皇涛,陈拂晓,等.异质金属层状复合板分层应力-应变关系研究[J].塑性工程学报,2018,25(1):187-191,205.YANG Fangfang,HUANG Tao,CHEN Fuxiao,et al.Research on delamination stress-strain relationship of heterostructure laminated composite sheets[J].Journal of Plasticity Engineering,2018,25(1):187-191,205.
[19]王亚荣,滕文华,杨家林,等.钒合金与钢异种材料焊接研究现状分析[J].焊接,2012,(11):15-21.WANG Yarong,TENG Wenhua,YANG Jialin,et al.Research status analysis on welding technology of vanadium alloy to steel[J].Welding&Joining,2012,(11):15-21.
[20]KUROSAWA F.Analytical study on the Fe/Ti interface in titanium-clad steels[J].Surface&Interface Analysis,1988,12(3):203-210.
[21]董成文,袁清华,李艳芳,等.TA1/Q235钢复合板界面结构与结合特性[J].塑性工程学报,2009,16(3):130-135.DONG Chengwen,YUAN Qinghua,LI Yanfang,et al.Study of the TA1/Q235 clad plate's interface structure and bonding characteristics[J].Journal of Plasticity Engineering,2009,16(3):130-135.