전기도금을 이용한 스테인레스 스틸 각형 선재의 굵기 증가 후 물성 변화
Change of physical properties after diameter increase by electroplating of orthodontic rectangular stainless steel wire
이종석, 황현식, 이현기,
소속 상세정보
이종석 ( ) - 전남대학교 치과대학 교정학교실
황현식 ( ) - 전남대학교 치의학연구소, 치과대학
이현기 ( ) - 전남대학교 치의학연구소, 치과대학
KMID : 0361920030330020131
Abstract
The purpose of this study was to evaluate clinical applications of electroplating method through investigation of the physical properties of orthodontic rectangular wires according to varying their cross section. For the study, it was accomplished to electroplate the 0.016-inched orthodontic rectangular stainless steel wire.
The cross section of stainless steel orthodontic rectangular wire increased from 0.016 x 0.016 inch to 0.017 x 0.017 inch by electroplating. The wire was heat treated to improve an adhesion between the wire and electroplated metal.
A three-point bending test and torsion test were conducted in order to compare physical properties among three wire groups; 0.016 x 0.016 wires (group 016), electroplated 0.016 x 0.016 wires (group 016P) and 0.017 x 0.017 wires (group 017). Through the investigations of each wire group, follow ng results were obtained.
1. At three-point bending test, the group 016P showed higher tendency in the degree of stiffness, yield strength and ultimate. tensile strength than the group 016. Stiffness and ultimate tensile strength showed. statistically significant differences between two groups at three-point ´bending test (p<0.05).
2. Stiffness, yield strength, and ultimate tensile strength of the group 016P showed lower tendency than those of the group 017. Stiffness showed statistically significant differences between two groups at three-point bending test (p{0.05).
3. Torque/twist rate, yield torsional moment, and ultimate torsional moment of the group 016P showed higher tendency than those of the group 016. All measurements showed statistically significant differences between two groups after torsion test (p<0.05).
4. Torque/twist rate, yield torsional moment, and ultimate torsional moment of the group 016P showed lower tendency than those of the group 017. Yield torsional moment, and ultimate torsional moment showed statistically significant differences between two groups after torsion test (p<0.05).
키워드
전기도금;물성변화;각형선재;굵기증가;Electroplating;Change of physical properties;Rectangular wire;Increase wire size
원문 및 링크아웃 정보
등재저널 정보