| 机械合金化结合冷压烧结制备铜-锆合金的组织与性能 |
| |
| 引用本文： | 任阔,郑治祥,吴玉程,王德宝,王文芳,宗跃.机械合金化结合冷压烧结制备铜-锆合金的组织与性能[J].机械工程材料,2009,33(5). |
| |
| 作者姓名： | 任阔 郑治祥 吴玉程 王德宝 王文芳 宗跃 |
| |
| 作者单位： | 任阔,郑治祥,吴玉程,王德宝,REN Kuo,ZHENG Zhi-xiang,WU Yu-cheng,WANG De-bao(合肥工业大学材料科学与工程学院,安徽合肥,230009);王文芳,WANG Wen-fan(合肥工业大学材料科学与工程学院,安徽合肥,230009;合肥工业大学复合材料公司,安徽合肥,230009);宗跃,ZONG Yue(合肥工业大学复合材料公司,安徽合肥,230009)
|
| |
| 基金项目： | 安徽省二期科技攻关项目，合肥市重点科技攻关项目，安徽省自然科学基金 |
| |
| 摘 要： | 采用机械合金化结合冷压烧结的方法制备了不同锆含量的铜-锆合金,用X射线衍射仪和扫描电镜等对制备的复合粉体进行了表征,并研究了球磨时间、烧结温度和保温时间、锆含量等因素对合金电阻率、硬度及抗弯强度的影响.结果表明:随着球磨时间的延长,复合粉体的主衍射峰强度逐渐降低,而铜-锆金属间化合物的衍射峰强度逐渐增加,颗粒由片状转变为近球状,而烧结后制得合金的电阻率和硬度逐渐升高;提高烧结温度和保温时间可以使合金的导电性能提高,但硬度下降;随着锆含量的增加,合金的电阻率、硬度及抗弯强度均不断增加.
|
| 关 键 词： | 机械合金化 铜-锆合金 电阻率 硬度 |
Microstructure and Properties of Cu-Zr Alloy Prepared by Mechanical Alloying and Cold Pressing and Sintering |
| |
| REN Kuo,ZHENG Zhi-xiang,WU Yu-cheng,WANG De-bao,WANG Wen-fang,ZONG Yue.Microstructure and Properties of Cu-Zr Alloy Prepared by Mechanical Alloying and Cold Pressing and Sintering[J].Materials For Mechanical Engineering,2009,33(5). |
| |
| Authors: | REN Kuo ZHENG Zhi-xiang WU Yu-cheng WANG De-bao WANG Wen-fang ZONG Yue |
| |
| Affiliation: | REN Kuo1,ZHENG Zhi-xiang1,WU Yu-cheng1,WANG De-bao1,WANG Wen-fang1,2,ZONG Yue2(1,2.Hefei University of Technology,Hefei 230009,China) |
| |
| Abstract: | Cu-Zr alloys with different Zr content were prepared by mechanical alloying and cold pressing and sintering method,and the prepared composite powders were characterized using XRD and TEM.The effects of milling time,sintering temperature,soaking time and Zr content on the electrical resistivity,hardness and bending strength of the Cu-Zr alloys were investigated.The results show that with the increase of milling time,the main diffraction peaks intensity of the composite powders was reduced,diffraction peak in... |
| |
| Keywords: | mechanical alloying Cu-Zr alloy electrical resistivity hardness |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
