高压物理学报

3 GPa压力处理对Cu-Zn合金热膨胀系数的影响

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王海燕 ¹ , 刘琳 ² , 彭桂荣 ³ , 刘建华 ³

高压物理学报 | 2010,24(2): 125-128

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高压物理学报 | 2010 , 24 (2) : 125 -128

3 GPa压力处理对Cu-Zn合金热膨胀系数的影响

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王海燕¹, 刘琳², 彭桂荣³, 刘建华³

作者信息

^1.燕山大学应用化学河北省重点实验室，河北秦皇岛　066004

^2.唐山职业技术学院，河北唐山　063004

^3.燕山大学亚稳材料制备技术与科学国家重点实验室，河北秦皇岛　066004

作者简介:

王海燕（1974—），女，博士，副教授，主要从事材料环境效应研究. E-mail：hywang@ysu.edu.cn

Effects of 3 GPa Pressure Treatment on the Thermal Expansion of Cu-Zn Alloy

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

出版时间: 2010-04-15

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摘要

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利用膨胀仪测试了Cu-Zn合金在3 GPa压力处理前后、25~700 ℃温度范围内的热膨胀系数；借助金相显微镜、X射线衍射（XRD）及差示扫描量热分析（DSC）技术，对高压处理前后合金的金相组织及相变进行了分析。在此基础上，探讨了高压处理对Cu-Zn合金热膨胀性能的影响。结果表明：高压处理能增大Cu-Zn合金的热膨胀系数，改变热膨胀系数随温度的变化规律，当温度为535.14 ℃时，热膨胀系数呈现高峰值，较同等温度未经高压处理的Cu-Zn合金的热膨胀系数增大了49.48%。

关键词

Cu-Zn合金 / 热膨胀系数 / 高压

Abstract

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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.

Key words

Cu-Zn alloy / thermal expansivity / high pressure

引用本文

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 .

基金

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黑龙江省教育厅科学技术研究项目(11541012)

参考文献

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2010年第24卷第2期

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接收时间：2009-11-02
首发时间：2026-10-30
出版时间：2010-04-15

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收稿日期：2009-11-02
修回日期：2009-11-20

基金

黑龙江省教育厅科学技术研究项目(11541012)

作者信息

^1.燕山大学应用化学河北省重点实验室，河北秦皇岛　066004

^2.唐山职业技术学院，河北唐山　063004

^3.燕山大学亚稳材料制备技术与科学国家重点实验室，河北秦皇岛　066004

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2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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