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기계적 합금화방법으로 만들어진 Ag계 삽입금속의 젖음성과 미세조직
김광수,노기식,황선효,Kim, Gwang-Su,No, Gi-Sik,Hwang, Seon-Hyo 한국재료학회 2001 한국재료학회지 Vol.11 No.12
Powder type Ag system insert metals were manufactured by mechanical alloying method. Alloying method was the ball milling process using zirconia ball media, and all alloying variables were constant except the milling time. The milling times were selected 24, 48 and 72 hours. The insert metals made by milling method were observed using scanning electron microscope and x-ray analyses. And also, the evaluation of wettability and microstructures of the insert metals were conducted to investigate the characteristics of the brazed joint. The wettability of the insert metals made by milling of 48 hours, was the best condition. And the insert metals contained Cd shows good wettability, however, there was the oxides residue on the brazing test specimen. The microstructures of the manufactured and the commercial insert metals were almost same displaying the Cu- rich proeutectic and Ag-rich eutectic. Further, there were some porosities. The 48 hours alloyed insert metal was exhibited the most sound brazed joint without containing porosity due to the superior wettability and good alloying condition.
김광수,Kim, Gwang-Su 대한물리치료사협회 1987 물리치료 Vol.46 No.-
Basmajian JV : Biofeedback in rehabilation: review of principles & Practices. Arch phys Med Rehabil 62:469-475 page ,1981 발행