Mechanical performance and fracture behavior of Fe_(41)Co_7Cr_(15)Mo_(14)Y_2C_(15)B_6 bulk metallic glass

Q.J. Chen; J. Shen; D.L. Zhang; H.B. Fan; J.F. Sun

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Mechanical performance and fracture behavior of Fe_(41)Co_7Cr_(15)Mo_(14)Y_2C_(15)B_6 bulk metallic glass

机译：Fe_（41）Co_7Cr_（15）Mo_（14）Y_2C_（15）B_6大块金属玻璃的力学性能和断裂行为

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The mechanical properties of a new Fe_(41)Co_7Cr_(15)Mo_(14)Y_2C_(15)B_6 bulk glassy alloy were studied by impact bending, compression, and hardness tests carried out at room temperature. The compressive fracture strength, elastic strain to fracture, Young's modulus and Vickers hardness were measured to be 3.5 GPa, 1.5%, 265 GPa, and 1253 kg mm~(-2), respectively. The fracture mode of the glassy alloy under uniaxial compression is different from those of other bulk metallic glasses in that this fracture mode causes the samples to be broken, in an exploding manner, into a large number of micrometer-scale pieces. The fracture mechanisms of this bulk glassy alloy under bending and uniaxial compression are discussed based on the observation of the fracture surfaces. Vickers indentation tests indicate that the structure of the glassy ingot may be inhomogeneous.

机译：通过在室温下进行冲击弯曲，压缩和硬度测试，研究了新型Fe_（41）Co_7Cr_（15）Mo_（14）Y_2C_（15）B_6块状玻璃合金的力学性能。测定的抗压断裂强度，断裂弹性应变，杨氏模量和维氏硬度分别为3.5 GPa，1.5％，265 GPa和1253 kg mm〜（-2）。该玻璃态合金在单轴压缩下的断裂方式与其他块状金属玻璃的断裂方式的不同之处在于，这种断裂方式导致样品以爆炸的方式断裂成大量的微米级碎片。在观察断裂面的基础上，探讨了这种块状玻璃合金在弯曲和单轴压缩下的断裂机理。维氏压痕测试表明玻璃状晶锭的结构可能不均匀。

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来源
《Journal of Materials Research》 |2007年第2期|358-363|共6页
作者
Q.J. Chen; J. Shen; D.L. Zhang; H.B. Fan; J.F. Sun;
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作者单位

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, 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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1. Mechanical performance and fracture behavior of Fe_(41)Co_7Cr_(15)Mo_(14)Y_2C_(15)B_6 bulk metallic glass [J] . Q.J. Chen, J. Shen, D.L. Zhang Journal of Materials Research . 2007,第2期

机译：Fe_（41）Co_7Cr_（15）Mo_（14）Y_2C_（15）B_6大块金属玻璃的力学性能和断裂行为
2. Analysis of crystallization behavior of Fe_(48)Cr_(15)Mo_(14)Y_2C_(15)B_6 bulk metallic glass by synchrotron radiation [J] . T.A. Baser, M. Baricco, S. Enzo, Journal of Materials Research . 2008,第8期

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3. Corrosion behavior of Fe_(41)Co_7Cr_(15)Mo_(14)C_(15)B_3Y_2 bulk metallic glass in NaCl solution [J] . Li Wang, Yuesheng Chao Materials Letters . 2012,第期

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机译：FE_（50-x）CR_（15）MO_（14）C_（15）B_6M_X（M = Y，GD和X = 0,2）散装金属玻璃中的玻璃形成
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7. Investigation of the free volume change of Fe41Co7Cr15Mo14C15B6Y2 bulk metallic glass using the cyclic thermal dilatation test [O] . Zeng X, Hu Q, Fu MW, 2012

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Mechanical performance and fracture behavior of Fe_(41)Co_7Cr_(15)Mo_(14)Y_2C_(15)B_6 bulk metallic glass

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