D01:10.13374.isml00103x.2009.B.043 第31卷第3期 北京科技大学学报 Vol.31 No.3 2009年3月 Journal of University of Science and Technology Beijing Mar.2009 TA1/Q235钢累积叠压变形特性及界面组织 黄重国李艳芳到 袁清华)任学平) 1)北京科技大学土木与环境工程学院，北京100832)中治京诚工程技术有限公司，北京10076 3)北京科技大学材料科学与工程学院，北京10083 摘要采用累积叠轧压方法，研究了TAVQ235钢累积叠压变形特性及界面组织.研究结果表明：随着总应变的增加，TA1 与Q235钢的变形程度的差别增大，当真应变大于10时二者的变形差基本上维持在10左右.TA1的应变在850~900℃范 围内发生突变，并伴随着径向变形差值增大.当变形温度小于850℃时，在Q235钢侧，呈现出非常明显的垂直于压缩方向的 变形组织：当复合变形温度为850~950℃时，在Q235钢侧出现了明显的铁素体柱状晶组织.晶粒排列整齐，几乎都垂直于界 面，并且随着温度升高，铁素体晶粒粗化.当累积变形量小于1.5、变形温度为850℃时，金属间化合物的厚度为0.7~1m,当 累积变形量为20时厚度约174m.当累积变形量为10时，在700~850℃条件下压制，界面化合物层厚度变化不大，为 0.8~1m,900℃时其厚度增加了1倍多.950℃时达到约23“m. 关键词TAVQ235钢复合板：累积叠轧焊：径向变形；剪切强度：界面化合物 分类号TG335.1:TG337.6 Deformation characteristic and interface microstructure of TA1/Q235 during ac- cumulative roll-bonding HUANGZhong -guo.LI Yan-fang2.YUAN Qing-hua,REN Xue-ping) 1)School of Civil and Envimnment Engineering.University of Science and Technobgy Beijing.Beijing 100083,China 2)Capital Engineering and Research Incorporation Limited,Beijing 100176.China 3)School of Materials Science and Engineering.University of Science and Technology Beijing.Beijing 100083.China ABSTRACT The deformation characteristic and interface micostructure of TAl/Q235 during deformation process were studied with accumulative rol-bonding (A RB)technology.It was found that the difference of deformation between TA I and Q235 enlarged with increasing total strain.When the true strain exceeded L 0,the difference kept about 1 0.An abrupt change point of the TAl's strain was observed between 850 Cand 900 C.and rose with increasing the difference of radial deformation.When the deformation temperature was less than 850C.obvious deformation microstructure appeared on the side of Q235,which was vertical to the com- pression direction.When the deformation temperature is between 850C and 900C.obvious ferrite columnar grains were found.The ferrite columnar grains regularly arranged on the side of Q235,and nearly all of them were vertical to the interface.As the tempera- ture increased,the ferrite grains became coarsening.Under the condition of the cumulative deformation less than L 5 and the defor- mation temperature of 850C,the thickness of intermetallic compounds was Q 7 to If m:when the cumulative deformation increased to 2.0,its thickness was about 1.7m.When the cumulative deformation was 1 0 and the deformation temperature is betw een 700 C and 850 C.the thickness of interface compounds was 0 8 to 1m.But when the deformation temperature was 900 C the thickness increased more than one time,and was 2 3m w hen the deformation temperature is 950C. KEY WORDS TA1/Q235 steel clad plate;accumulative roll bonding process;radial deformation:shear strength:interfacial com- pound 钛/碳钢复合板是集钢铁材料所具有的优异的 强度、导热性能以及焊接性能与钛合金的耐腐蚀性 收稿日期：200805-12 基金项目：国家自然科学基金资助项目(N。.50475174) 作者简介：黄重国(1965-），男，副教授，E-maik Garyhuang@163.comTA1/Q235 钢累积叠压变形特性及界面组织 黄重国1) 李艳芳2) 袁清华1) 任学平3) 1) 北京科技大学土木与环境工程学院, 北京 100083 2) 中冶京诚工程技术有限公司, 北京 100176 3) 北京科技大学材料科学与工程学院, 北京 100083 摘 要 采用累积叠轧压方法, 研究了 TA1/ Q235 钢累积叠压变形特性及界面组织.研究结果表明:随着总应变的增加, TA1 与 Q235 钢的变形程度的差别增大, 当真应变大于 1.0 时二者的变形差基本上维持在 1.0 左右.TA1 的应变在 850 ～ 900 ℃范 围内发生突变, 并伴随着径向变形差值增大.当变形温度小于 850 ℃时, 在 Q235 钢侧, 呈现出非常明显的垂直于压缩方向的 变形组织;当复合变形温度为 850 ～ 950 ℃时, 在 Q235 钢侧出现了明显的铁素体柱状晶组织, 晶粒排列整齐, 几乎都垂直于界 面, 并且随着温度升高, 铁素体晶粒粗化.当累积变形量小于 1.5 、变形温度为 850 ℃时, 金属间化合物的厚度为0.7 ～ 1μm, 当 累积变形量为 2.0 时厚度约 1.7μm .当累积变形量为 1.0 时, 在 700 ～ 850 ℃条件下压制, 界面化合物层厚度变化不大, 为 0.8 ～ 1μm, 900 ℃时其厚度增加了 1 倍多, 950 ℃时达到约 2.3 μm . 关键词 TA1/ Q235 钢复合板;累积叠轧焊;径向变形;剪切强度;界面化合物 分类号 TG335.1 ;TG337.6 Deformation characteristic and interface microstructure of TA1/Q235 during ac￾cumulative roll-bonding HUANG Zhong-guo 1) , LI Yan-fang 2) , Y UAN Qing-hua 1) , REN Xue-ping 3) 1) School of Civil and Environment Engineering, University of S cience and Technology Beijing, Beijing 100083, China 2) Capit al Engineering and Research Incorporation Limited, Beijing 100176, China 3) School of Mat erials Science and Engineering, University of S cience and Technology Beijing, Beijing 100083, China ABSTRACT The deformation characteristic and interface micro structure of TA1/Q235 during deformation process were studied with accumulative roll-bonding ( ARB) technology .It was found tha t the difference of defo rmation between TA1 and Q235 enlarged with increasing total strain .When the true strain ex ceeded 1.0, the difference kept about 1.0.An abrupt change point of the TA1' s strain w as observed between 850 ℃and 900 ℃, and rose with increasing the difference of radial deformation .When the deformation temperature w as less than 850 ℃, obvious defo rmatio n microstructure appeared on the side of Q235, which w as vertical to the com￾pression direction .When the defo rmatio n tempera ture is between 850 ℃ and 900 ℃, obviousferrite columnar grains were found.The ferrite columnar g rains regularly arranged on the side of Q235, and nearly all of them were vertical to the interface.As the tempera￾ture increased, the ferrite g rains became coarsening.Under the condition of the cumulative deformation less than 1.5 and the defor￾mation temperature of 850 ℃, the thickness of intermetallic compounds was 0.7 to 1μm ;when the cumula tiv e deformation increased to 2.0, its thickness was about 1.7 μm .When the cumulative deformation w as 1.0 and the defo rmation temperature is be tw een 700 ℃ and 850 ℃, the thickness of interface compounds w as 0.8 to 1 μm .But w hen the defo rmatio n temperature was 900 ℃ the thickness increased mo re than one time, and was 2.3μm w hen the deformation tempera ture is 950℃. KEY WORDS TA1/Q235 steel clad plate;accumulative roll bo nding process ;radial deformation ;shear strength ;interfacial com￾pound 收稿日期:2008-05-12 基金项目:国家自然科学基金资助项目( No .50475174) 作者简介:黄重国( 1965—) , 男, 副教授, E-mail:Garyhuang@163.com 钛/碳钢复合板是集钢铁材料所具有的优异的 强度 、导热性能以及焊接性能与钛合金的耐腐蚀性 第 31 卷 第 3 期 2009 年 3 月 北 京 科 技 大 学 学 报 Journal of University of Science and Technology Beijing Vol .31 No.3 Mar.2009 DOI :10.13374/j .issn1001 -053x.2009.03.043