TA1/Q235循环累积变形复合的试验研究  

Study on TA1/Q235 clad plate by cyclic accumulated deformation process

作　　者：李红[1] 黄重国[2] 侯红亮[1] 任学平[3] 

机构地区：[1]北京航空制造工程研究所,北京100024 [2]北京科技大学土木与环境工程学院,北京100083 [3]北京科技大学材料科学与工程学院,北京100083

出　　处：《锻压技术》2008年第5期151-154,159,共5页Forging & Stamping Technology

基　　金：国家自然科学基金资助项目(50475174)

摘　　要：通过Gleeble-1500热模拟试验机研究了不同变形温度和变形量的累积叠轧焊过程,借助扫描电镜、显微硬度仪等手段,对循环累积变形复合后的Ti/Q235复合试样的界面生成物、显微硬度进行分析。结果表明:两母材元素在界面反应生成化合物,主要有TiC和Fe2Ti;温度达到950℃,或累积变形量达到150%,界面显微硬度均有减小趋势;大变形使界面生成的脆性化合物受挤压破碎、变形、分散,有利于金属结合。Accumulative roll bonding for TA1/Q235 in the conditions of different deformations and temperatures was researched by using of Gleeble- 1500 thermal analog testing machine. The micro hardness and inter metallic compound formed in accumulative roll bonding were analyzed by means of SEM, X-ray and micro hardness-testing device. The results show that inter metallic compound forms in the interface between two base materials consists of TiC and Ti2Fe. When the deformation temperature is higher than 950 ℃, or the accumulated deformation is more than 150%, the micro-hardness in the interface decreases obviously. Super large deformation can increase bond strength of Ti/carbon steel because of crushing, deformation and dispersing of inter metallic compound.

关 键 词：Ti/Q235 显微硬度 累积叠轧焊 界面化合物 

分 类 号：TG115.6[金属学及工艺—物理冶金]