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激光切割的钻具热影响区裂纹形成的研究

Research of the Form and Growth of Crack of in Hot Affected Zone for Drill by Pulsed CO₂ Laser Cutting

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【Author】 Jiao Jian1 Guo Jifu1 Wang Lin1 Wang Tiebao2 Li Guobin2(1:Tangshan Metallurgical Saw Blade Co.,Ltd,Tangshan 063000; 2:Hebei University of Technology,Tianjin 300132)

【机构】唐山冶金锯片有限公司；河北工业大学；

【摘要】采用脉冲CO2激光切割的钻具出现了断裂的现象。研究了断口的表面形貌及成分,以及热影响区的尺寸和显微组织;通过断口显微分析,探讨了热影响区显微裂纹的形成,并提出了相应的改进措施。更多还原

【Abstract】 The drill by pulsed CO2 laser cutting presents fracture.The morphology and element of fracture surface as well as the size and microstructure of heat affected zone are investigated.By fracture analysis,the form of crack of heat affected zone are analyzed,and amelioration means is expatiated.更多还原

【关键词】钻具；激光切割；热影响区；断裂；裂纹的形成；裂纹的扩展；
【Key words】 Drill Laser cutting Hot affected zone Fracture Form of crack Growth of crack；

【文献出处】冶金设备 ,Metallurgical Equipment , 编辑部邮箱 ,2012年03期

【分类号】TG485
【被引频次】2
【下载频次】73

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激光切割的钻具热影响区裂纹形成的研究

Research of the Form and Growth of Crack of in Hot Affected Zone for Drill by Pulsed CO2 Laser Cutting

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Research of the Form and Growth of Crack of in Hot Affected Zone for Drill by Pulsed CO₂ Laser Cutting