Effect of Er doping on glass-forming ability of Co_(50)Cr_(15)Mo_(14)C_(15)B_6 alloy

H. Men; S.J. Pang; T. Zhang

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Effect of Er doping on glass-forming ability of Co_(50)Cr_(15)Mo_(14)C_(15)B_6 alloy

机译：Er掺杂对Co_（50）Cr_（15）Mo_（14）C_（15）B_6合金玻璃形成能力的影响

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Bulk glass formation of the Co-Cr-Mo-C-B-Er alloy system was investigated in this paper. The Co_(50)Cr_(15)Mo_(14)C_(15)B_6 (at.percent) alloy could be cast into fully glassy rod with a diameter up to 2 mm. By adding 2 at.percetn Er to this alloy, the critical diameter for glass formation reached 10 mm. The excellent glass formability of the Er-doped alloy was mainly attributed to its relatively large reduced glass transition temperature of 0.61, near-eutectic composition, and the necessity of redistribution of the Er atoms for precipitation of crystalline Co_6Mo_5C phase in the undercooled liquid on cooling.

机译：本文研究了Co-Cr-Mo-C-B-Er合金体系的块状玻璃形成。可以将Co_（50）Cr_（15）Mo_（14）C_（15）B_6（at.percent）合金铸造成直径最大为2 mm的完全玻璃状的棒。通过向该合金中添加2 at.percetn Er，玻璃形成的临界直径达到10 mm。掺Er合金的优异玻璃成形性主要归因于其较低的0.61较低的玻璃化转变温度，近共晶组成以及冷却时过冷液体中结晶Co_6Mo_5C相沉淀时Er原子重新分布的必要性。

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来源
《Journal of Materials Research》 |2006年第4期|p.958-961|共4页
作者
H. Men; S.J. Pang; T. Zhang;
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作者单位

Department of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, People's Republic of China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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Effect of Er doping on glass-forming ability of Co_(50)Cr_(15)Mo_(14)C_(15)B_6 alloy

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