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Mechanical Properties of Hf-Based Metallic Glasses
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Yan-Po WANG, Bao-Ru SUN, Zai-Ji ZHAN, Wen-Kui WANG
Chinese Journal of High Pressure Physics | 2012, 26(3) : 333 - 337
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Chinese Journal of High Pressure Physics | 2012, 26(3): 333-337
Mechanical Properties of Hf-Based Metallic Glasses
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Yan-Po WANG, Bao-Ru SUN, Zai-Ji ZHAN, Wen-Kui WANG
Affiliations
  • State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China
Published: 2012-06-15
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The quasi-static and dynamic compression tests for Hf44.5Cu27Ni13.5Ti5Al10 metallic glass were done by MTS810 and split Hopkinson pressure bar (SHPB) in the range of strain rate of 10—4-103 s—1. The compressive stress-strain curves were obtained under varied strain rate and the fracture morphologies were studied by scanning electron microscopy. The experimental results show that the Hf44.5Cu27Ni13.5Ti5Al10 metallic glsaa does not have the strain rate sensitivity under quasi-static compression. The dimple structure and periodic corrugations with about 60 nm spacing can be observed at the fracture surfaces which consist of radical zone and fan-shaped zone. Under dynamic compression, the yield strength rapidly declines with rise of strain rate, the metallic glass has the strain rate sensitivity. The fracture surfaces show floccule structure with vein-like patterns. Further observation reveals that dynamic compression fracture surfaces exist three fracture morphology: branch-like patterns, vein-like patterns and molten agglomerates.

Hf-based metallic glasses  /  strain rate  /  fracture morphology  /  adiabatic heating
王燕坡, 孙宝茹, 战再吉, 王文魁. Hf-基非晶合金的力学性能研究. 高压物理学报, 2012 , 26 (3) : 333 -337 .
Yan-Po WANG, Bao-Ru SUN, Zai-Ji ZHAN, Wen-Kui WANG. Mechanical Properties of Hf-Based Metallic Glasses[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (3) : 333 -337 .
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Article Info
  • Receive Date：2010-10-11
  • Online Date：2026-11-05
  • Published：2012-06-15
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  • Received：2010-10-11
  • Revised：2011-01-28
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    State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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