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Effects of 3 GPa Pressure Treatment on the Thermal Expansion of Cu-Zn Alloy
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Hai-Yan WANG1, Lin LIU2, Gui-Rong PENG3, Jian-Hua LIU3
Chinese Journal of High Pressure Physics | 2010, 24(2) : 125 - 128
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Chinese Journal of High Pressure Physics | 2010, 24(2): 125-128
Effects of 3 GPa Pressure Treatment on the Thermal Expansion of Cu-Zn Alloy
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Hai-Yan WANG1, Lin LIU2, Gui-Rong PENG3, Jian-Hua LIU3
Affiliations
  • 1.Provincial Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, China
  • 2.Tangshan Vocational Technology College, Tangshan 063004, China
  • 3.State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China
Published: 2010-04-15
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The coefficients of thermal expansion of Cu-Zn alloy between 25~700 ℃, which was before and after 3 GPa high-pressure treatment, were measured by the DIL402C thermal expansion instrument. In addition, the metallurgical microscope, X-ray diffraction (XRD), and differential scanning calorimetry (DSC) were employed to characterize the microstructures and phase transformation of the alloy. Based on the experimental results, the effects of high-pressure treatment on the thermal expansion of Cu-Zn alloy were investigated. The high-pressure treatment can obviously increase the thermal expansivity of Cu-Zn alloy and change the trend of the thermal expansion curve. At 535.14 ℃, the thermal expansion curve after the high-pressure treatment reaches its peak value, which is 49.48% larger than the untreated alloy.

Cu-Zn alloy  /  thermal expansivity  /  high pressure
王海燕, 刘琳, 彭桂荣, 刘建华. 3 GPa压力处理对Cu-Zn合金热膨胀系数的影响. 高压物理学报, 2010 , 24 (2) : 125 -128 .
Hai-Yan WANG, Lin LIU, Gui-Rong PENG, Jian-Hua LIU. Effects of 3 GPa Pressure Treatment on the Thermal Expansion of Cu-Zn Alloy[J]. Chinese Journal of High Pressure Physics, 2010 , 24 (2) : 125 -128 .
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Year 2010 volume 24 Issue 2
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Article Info
  • Receive Date：2009-11-02
  • Online Date：2026-10-30
  • Published：2010-04-15
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History
  • Received：2009-11-02
  • Revised：2009-11-20
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Affiliations
    1.Provincial Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, China
    2.Tangshan Vocational Technology College, Tangshan 063004, China
    3.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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