|
|||||
|
|
| Zr_(47)Cu_(44)Al_9大块非晶合金的制备及其力学性能 | |
| 引用本文： | 张宝庆,曹国华,郎庆斌,张志,战再吉,刘日平,王文魁.Zr_(47)Cu_(44)Al_9大块非晶合金的制备及其力学性能[J].中国有色金属学报,2010,20(1). |
| 作者姓名： | 张宝庆 曹国华 郎庆斌 张志 战再吉 刘日平 王文魁 |
| 作者单位： | 1. 河南理工大学,材料科学与工程学院,焦作,454000;燕山大学,亚稳材料制备技术与科学国家重点实验室,秦皇岛,066004 2. 河南理工大学,物理化学学院,焦作,454000 3. 燕山大学,亚稳材料制备技术与科学国家重点实验室,秦皇岛,066004 4. 河南理工大学,材料科学与工程学院,焦作,454000 |
| 基金项目： | 国家自然科学基金资助项目 |
| 摘 要： | 利用电弧炉制备一系列(Zr_(51.6)Cu_(48.4))_(100-x)Al_x(x=6.0～10.0, 摩尔分数,%)大块非晶合金,利用示差扫描量热仪、X射线衍射仪和金相显微镜研究Al的含量对其非晶形成能力的影响.结果表明:当铝的含量为9.0%时,合金具有最优的非晶形成能力.适量铝的加入不仅能够抑制初生相CuZr的析出,而且还能有效地抑制其长大.临界冷却速率的经验公式计算结果显示该合金的临界冷却速率为10 K/s,室温压缩力学性能显示其断裂强度为1.9 GPa,且有0.5%的塑性变形,式为韧性剪切断裂. |
| 关 键 词： | 大块非晶合金 非晶形成能力 临界冷却速率 力学性能 |
Preparation and mechanical properties of Zr_(47)Cu_(44)Al_9 bulk metallic glass |
|
| ZHANG Bao-qing,CAO Guo-hua,LANG Qing-bin,ZHANG Zhi,ZHAN Zai-ji,LIU Ri-ping,WANG Wen-kui.Preparation and mechanical properties of Zr_(47)Cu_(44)Al_9 bulk metallic glass[J].The Chinese Journal of Nonferrous Metals,2010,20(1). | |
| Authors: | ZHANG Bao-qing CAO Guo-hua LANG Qing-bin ZHANG Zhi ZHAN Zai-ji LIU Ri-ping WANG Wen-kui |
| Affiliation: | ZHANG Bao-qing1,2,CAO Guo-hua3,LANG Qing-bin2,ZHANG Zhi1,ZHAN Zai-ji2,LIU Ri-ping2,WANG Wen-kui2 (1.School of Materials Science , Engineering,Henan Polytechnic University,Jiaozuo 454000,China,2.State Key Laboratory of Metastable Materials Science , Technology,Yanshan University,Qinhuangdao 066004,3.School of Physics , Chemistry,China) |
| Abstract: | Bulk metallic glasses (BMG) (Zr51.6Cu48.4)100-xAlx(x=6-10,molar fraction,%) were prepared by copper mould casting.The effect of Al content on the glass-forming ability (GFA) of ZrCu based metallic glass alloys was investigated by differential scanning calorimetry,X-ray diffractometry,and optical microscopy.The results show that when the Al content is 9.0%,the alloy has the optimal GFA.Proper Al additions can suppress the precipitation and the growth of the primary CuZr phase.The critical cooling rate of the... |
| Keywords: | bulk amorphous alloy glass forming ability critical cooling rate mechanical properties |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |
