도재소부전장관용 합금의 납착방법에 따른 납착부 굽힘강도에 대한 연구
A study on flexure strength of the solder joints formed using various soldering techniques for ceramo-metal alloys
김진열, 전영찬,
소속 상세정보
김진열 ( Kim Jin-Yeoul ) - Pusan National University College of Dentistry Department of Prosthodontis
전영찬 ( Chun Young-Charn ) - Pusan National University College of Dentistry Department of Prosthodontis
KMID : 0362419930310020191
Abstract
In order to compare the strength of soldered joints relative to the various sol dering method, soldering processes were performed using Palladium based ceramo-metal alloy(Bong-on 4) and Nickel-Cromium alloy(Vera Bond). The obtained data include difference in strength between presoldering and postsoldering. The data also contain difference among postsoldered groups for 3 difference soldering methods(torch, infrared, Oven). @ES The following results were obtained.
@EN 1. For postsoldering with Pd alloy, the oven-suing group showed the highest strength while the difference in strength between the torch-using group and the infrared machine group was negligible. 2. For Pd alloy with the torch method, postsoldering resulted in the higher strength than presoldering. 3. There was a negligible difference in strength between presoldering and postsoldering when Ni-Cr alloy with torch method is used. 4. Through microscopic study of the fractured surfaces, the torch-using group showed more porosity than both the oven-using and the infrared machine gruops. 5. In terms of fracturing patterns, the oven-using group showed adhesive failure while both the torch and the infrared machine group showed cohesive failure and cohesive-adhesive failure.
키워드
원문 및 링크아웃 정보
등재저널 정보