베릴륨(Be)이 미 첨가된 치과도재소부용 Ni-Cr-Mo계 합금의 미세조직 및 기계적 성질 특성
Microstructures and Mechanical Properties of Beryllium(Be)-free Ni-Cr-Mo based Alloys for Metal-Ceramic Crown
송경우, 노학, 고은경, 정종현, 이정환, 한재익,
소속 상세정보
송경우 ( Song Kyeong-Woo ) - (주) Dental Design
노학 ( No Hak ) - (주)알파덴트 부설 기술연구소
고은경 ( Ko Eun-Kyoung ) - 전남대학교 치의학전문대학원 치과재료학교실 및 치과재료연구소
정종현 ( Jung Jong-Hyun ) - 광주보건대학교 치기공과
이정환 ( Lee Jung-Hwan ) - 광주보건대학교 치기공과
한재익 ( Han Jae-Ick ) - (주)알파덴트 부설 기술연구소
KMID : 0362120060280020321
Abstract
The popularity of Ni-Cr-Mo based metal alloys for metal-ceramic crown have increased recently because of low price, superior yield strength and rigidity. the use of these alloys give them the potential advantage of thinner copping with the required rigidity for long span bridges. The purpose of this study was to assess the microstructures and mechanical properties of Ni-Cr-Mo-(Si,Al,Nb,Zr,Ti.Cu,Mm) based Alloys not containing beryllium(Be) related toxic effects. The abtained results indicated that as-cast these specimen alloys showed compositional and microstructural differences, and mechanical properties values of Ni69Cr20Mo5Si2Al4 alloy among these specimen alloys was found to be superior to those of commercial Ni-Cr based alloy using in market place today.
키워드
metal-ceramic crown;copping;long span bridges;the microstructures andmechanical properties
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