| 保温时间对低温陶瓷/Cu-Fe-Sn基结合剂磨具性能与结构的影响 |
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| 引用本文： | 李广锋,侯永改,高元,李文凤,黄庆飞,丁志静.保温时间对低温陶瓷/Cu-Fe-Sn基结合剂磨具性能与结构的影响[J].金刚石与磨料磨具工程,2017,37(2):46-49. |
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| 作者姓名： | 李广锋 侯永改 高元 李文凤 黄庆飞 丁志静 |
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| 作者单位： | 河南工业大学 材料科学与工程学院, 郑州 450001 |
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| 基金项目： | 河南省科技厅重点科技攻关（112102210240）；河南工业大学研究生教育创新计划（2012YJC76）。 |
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| 摘 要： | 采用粉末冶金法制备低温陶瓷/Cu-Fe-Sn基结合剂金刚石磨具。结合材料电子万能试验机、SEM、XRD等检测手段，研究了保温时间对低温陶瓷/Cu-Fe-Sn基结合剂磨具性能与结构的影响。结果表明:当热压烧结保温时间为8min时，低温陶瓷/Cu-Fe-Sn基结合剂磨具有最佳的力学性能（抗弯强度285.6 MPa，冲击强度10.88kJ/m2）；保温时间延长促进了低温陶瓷在金刚石表面铺展润湿，保温8min时，低温陶瓷/Cu-Fe-Sn基结合剂可达到最佳的机械嵌合，提高结合强度。
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| 关 键 词： | 低温陶瓷 金刚石工具 自锐性 微观结构 |
Effect of heat preservation on the property and structure of low-temperature vitrified/Cu-Sn-Fe-based bond diamond tool |
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| LI Guangfeng,HOU Yonggai,GAO Yuan,LI Wenfeng,HUANG Qingfei,DING Zhijing.Effect of heat preservation on the property and structure of low-temperature vitrified/Cu-Sn-Fe-based bond diamond tool[J].Diamond & Abrasives Engineering,2017,37(2):46-49. |
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| Authors: | LI Guangfeng HOU Yonggai GAO Yuan LI Wenfeng HUANG Qingfei DING Zhijing |
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| Affiliation: | School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China |
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| Abstract: | Low-temperature vitrified/Cu-Fe-Sn-based bond diamond tool was prepared by the method of powder metallurgy.Bending strength and impact strength of samples were tested by using mechanical tester and their micro-topography were analyzed by using XRD and SEM.Resultsshow that when the heat preservation is 8 min,the mechanical property of vitrified/Cu-Fe-Sn-based bond diamond tool reaches its maximum value,namely bending strength 285.6 MPa and impact strength 10.88kJ/m2.Prolonged holding time could promote low-temperature ceramic spreading on diamond surface.When the holding time is 8 min,the low temperature ceramic/Cu-Fe-Sn based binder can achieve the best mechanical fit and improve the bonding strength. |
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