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材料研究学报  2012, Vol. 26 Issue (5): 545-550    
  研究论文 本期目录 | 过刊浏览 |
激光冲击改性冷轧钼带的性能
张青来1, 陈骏1, 冯甜甜1, 姜银方2, 韩伟东3,任旭东2
1.江苏大学材料科学与工程学院 镇江 212013
2.江苏大学机械工程学院 镇江 212013
3.宝鸡市博信金属材料有限公司 宝鸡 721013
Property and Microstructures of Cold Rolled Molybdenum Strip by Laser Shock Processing
ZHANG Qinglai1,   CHEN Jun1,  FENG Tiantian1,  JIANG Yinfang2,  HAN Weidong3,  REN Xudong2
1.School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013
2.School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013
3.Bao Ji Bo Xin Metal Materials Ltd, Baoji 721013
引用本文:

张青来 陈骏 冯甜甜 姜银方 韩伟东 任旭东. 激光冲击改性冷轧钼带的性能[J]. 材料研究学报, 2012, 26(5): 545-550.
ZHANG Qinglai CHEN Jun FENG Tiantian JIANG Yinfang HAN Weidong REN Xudong. Property and Microstructures of Cold Rolled Molybdenum Strip by Laser Shock Processing[J]. Chinese Journal of Materials Research, 2012, 26(5): 545-550.

全文: PDF(1079 KB)  
摘要: 

对多晶冷轧钼带进行激光冲击成形及其强化, 分析了冲击试件的显微硬度和微观组织。结果表明:高应变速率激光冲击实现了脆性多晶冷轧钼带冷成形和改性双重效应;
半搭接区域激光冲击强化的多晶钼带表面显微硬度符合高斯函数变化规律, 具有更好的冲击强化效果, 其显微硬度峰值变化范围为HV265--310;激光冲击强化可提高钼带耐高温性能。

关键词 金属材料钼带激光冲击强化冷成形    
Abstract

The cold-rolled polycrystalline molybdenum strip was laser shocked by the Thales laser with the maximum output laser pulse energy of 12.5 J, and the microhardness and microstructure of shocked specimens were analyzed. The results show that laser shock at high strain rate can achieve a double effect of forming and modification of brittle polycrystalline cold-rolled molybdenum strip. The microhardness on the surface of the polycrystalline molybdenum strip in the half-lap region of laser shock processing accorded with variation of the Gaussian function, and the peak range was HV265-310. The thermostability of laser shocked molybdenum strip was improved.

Key wordsmetallic materials    molybdenum strip    laser shock peening    cold forming
收稿日期: 2012-06-27     
ZTFLH:  TN249  
基金资助:

国家自然科学基金51175231资助项目。

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