| 冯卫,黄绍辉,刘钦雷,裘桂群,巢国辉.热处理对CW713R特殊黄铜组织及性能的影响[J].有色金属材料与工程,2016,37(5):219-222. |
| 热处理对CW713R特殊黄铜组织及性能的影响 |
| Effect of Heat Treatment on the Microstructure and Properties of CW713R Special Brass |
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| DOI：10.13258/j.cnki.nmme.2016.05.006 |
| 中文关键词: CW713R特殊黄铜 退火 耐磨材料 微观组织 力学性能 |
| 英文关键词:CW713R special brass annealing wear resistant material microstructure mechanical property |
| 基金项目:宁波市重大科技攻关项目（2013B10048） |
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| 摘要点击次数: 2897 |
| 全文下载次数: 1898 |
| 中文摘要: |
| 采用金相显微镜（OM）、万能试验机、维氏硬度计和磨粒磨损试验机等设备研究不同热处理工艺对CW713R特殊黄铜的微观组织、力学性能及耐磨性能的影响.研究结果表明：退火温度从200℃升高到300℃，α相呈针状析出，基体β相基本未发生变化；退火温度从300℃升高到450℃，α相长大，呈短棒状或等轴状，基体β相发生长大并粗化；退火温度从450℃升高到550℃，α相消失，转变为β相，基体β相显著粗化.α、β相含量和形态的变化必然导致其性能也随之变化，比较不同热处理工艺下的各性能指标，挤压坯小加工量延伸后进行300℃×3 h热处理，获得的材料综合性能最佳. |
| 英文摘要: |
| Microstructure characteristics,mechanical properties and wear resistance property of CW713R special brass in different heat treatment were investigated using metallurgical metalloscope(OM),universal testing machines and vickers hardness tester and grain-abrasion wear tester.The results indicate that while annealing temperature increasing from 200℃ to 300℃,acicular α phase precipitated,β phase matrix unchanged basically;and annealing temperature increased from 300℃ to 450℃,α phase grew short rod-like or equiaxed,β phase matrix appeared coarse.When annealing temperature rose from 450℃ to 550℃,α phase disappeared and turned into β phase,β phase matrix became coarse observably.Amount of α and β phase,also its shape are bound to lead to the mechanical property change.Comparing the mechanical property target under different heat treatment,extrusion billet,which was drawn slightly then treated by 300℃×3 h,can attained the optimum mechanical properties. |
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