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Influence of TiX (X=B_2 or N) Addition on the Interfacial Microstructure Features of CBN Grains and AgCuTi Composite Filler

Influence of TiX (X=B_2 or N) Addition on the Interfacial Microstructure Features of CBN Grains and AgCuTi Composite Filler
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摘要 Joining experiments of CBN grains to AISI 1045 steel were conducted using Ag-Cu-Ti composite fillers containing TiX （X=B2 or N） particles at 920 ℃ for 5 min. The influences of TiB2 and TiN particles on the interfacial microstructure features between CBN and filler were investigated comparatively. The experimental results show that TiN particles are more effective than TiB2 ones to control the interfacial reaction and particularly the resultants. Thermodynamic analysis reveals that the varied interfacial reaction induced by the addition of TiB2 and TiN particles is mainly atttributed to the activity change of the B and Ti elements in the brazing reaction system. Joining experiments of CBN grains to AISI 1045 steel were conducted using Ag-Cu-Ti composite fillers containing TiX （X=B2 or N） particles at 920 ℃ for 5 min. The influences of TiB2 and TiN particles on the interfacial microstructure features between CBN and filler were investigated comparatively. The experimental results show that TiN particles are more effective than TiB2 ones to control the interfacial reaction and particularly the resultants. Thermodynamic analysis reveals that the varied interfacial reaction induced by the addition of TiB2 and TiN particles is mainly atttributed to the activity change of the B and Ti elements in the brazing reaction system.
作者 丁文锋
机构地区 College of Mechanical and Electrical Engineering
出处 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2010年第4期579-582,共4页 武汉理工大学学报（材料科学英文版）
基金 Funded by the National Fundamental Research Program of China (No.2009CB724403) Program for New Century Excellent Talents in University from Ministry of Education of China (No. NCET-07-0435)
关键词 CBN BRAZING interfacial microstructure chemical reaction TiX addition CBN brazing interfacial microstructure chemical reaction TiX addition
分类号 O611.3 [理学—无机化学]
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参考文献12

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二级参考文献12

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共引文献12

Journal of Wuhan University of Technology(Materials Science)
2010年 第4期

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