Deformation behavior and indentation size effect in amorphous and crystallized Pd_(40)Cu_(30)Ni_(10)P_(20) alloy

N. Li; L. Liu; K.C. Chan

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Deformation behavior and indentation size effect in amorphous and crystallized Pd_(40)Cu_(30)Ni_(10)P_(20) alloy

机译：非晶态和结晶态Pd_（40）Cu_（30）Ni_（10）P_（20）合金的变形行为和压痕尺寸效应

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摘要

The deformation behavior and indentation size effect (ISE) in amorphous and crystallized Pd(40)Cu(30)Ni(10)P(20) alloy were comparatively studied through instrumented nanoindentation. It was found that the two alloys showed different deformation behaviors, the amorphous alloy exhibited conspicuous pop-in events in the load-depth (P-h) curve, while the crystallized alloy showed a relatively smooth P-h curve. In addition, the indentation hardness was observed to decrease with increasing penetration depth in the two alloys, exhibiting a significant ISE. However, the crystallized alloy displayed a sharper reduction of hardness with indentation depth as compared to the amorphous alloy, indicating a more significant indentation size effect in the crystalline alloy. The structure difference and friction factor associated with the surface residual stress are taken into account to interpret the difference in the deformation behavior and indentation size effect of the two alloys.

机译：通过仪器化的纳米压痕比较研究了非晶和结晶的Pd（40）Cu（30）Ni（10）P（20）合金中的变形行为和压痕尺寸效应（ISE）。发现这两种合金表现出不同的变形行为，非晶合金在载荷-深度（P-h）曲线中表现出明显的弹入事件，而结晶的合金显示出相对平滑的P-h曲线。另外，观察到压痕硬度随着两种合金中熔深的增加而降低，表现出显着的ISE。然而，与非晶态合金相比，结晶合金随着压痕深度显示出硬度的急剧降低，这表明在结晶合金中压痕尺寸效应更为显着。考虑了与表面残余应力相关的结构差异和摩擦系数，以解释两种合金的变形行为和压痕尺寸效应的差异。

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《Journal of Materials Research》 |2009年第5期|1693-1699|共7页
作者
N. Li; L. Liu; K.C. Chan;
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作者单位

State Key Lab for Materials Processing and Die & Mold Technology, Huazhong University of Science and Technology, 430074 Wuhan, People's Republic of China;

State Key Lab for Materials Processing and Die & Mold Technology, Huazhong University ofrnScience and Technology, 430074 Wuhan, People's Republic of China;

Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University,Hong Kong, 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);
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正文语种 eng
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2. Serrated Deformation of a Pd_(40)Cu_(30)Ni_(10)P_(20) Bulk Amorphous Alloy during Nanoindentation [J] . Yu. I. Golovin, V. I. Ivolgin, A. I. Tyurin, Physics of the solid state . 2003,第7期

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Deformation behavior and indentation size effect in amorphous and crystallized Pd_(40)Cu_(30)Ni_(10)P_(20) alloy

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