콘텐츠 본문
논문 해외 국제전문학술지(SCI급) BIODEGRADABILITY ENGINEERING OF BIODEGRADABLE MG ALLOYS: TAILORING THE ELECTROCHEMICAL PROPERTIES AND MICROSTRUCTURE OF CONSTITUENT PHASES
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2013-08
- 저자명 HONG, KH (HONG, KI-HA)공동(참여),CHA, PR (CHA, PIL-RYUNG),HAN, HS (HAN, HYUNG-SEOP),CHO, SY (CHO, SUNG-YOUN),BYUN, JY (BYUN, JI YOUNG),YANG, SJ (YANG, SEOK-JO),YANG, GF (YANG, GUI-FU),JUNG, JY (JUNG, JAE-YOUNG),KIM, YC (KIM, YU-CHAN),LEE, SC (LEE, SEUNG-CHEOL),LEE, KS (LEE, KANG-SIK),SEOK, HK (SEOK, HYUN-KWANG)..,KIM, YY (KIM, YOUNG-YUL),AHN, JP (AHN, JAE-PYEONG)
- 학술지명 SCIENTIFIC REPORTS
- 발행처명 NATURE PUBLISHING GROUP
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 14
논문 초록 (Abstract)
Crystalline Mg-based alloys with a distinct reduction in hydrogen evolution were prepared through both electrochemical and microstructural engineering of the constituent phases. The addition of Zn to Mg-Ca alloy modified the corrosion potentials of two constituent phases (Mg + Mg2Ca), which prevented the formation of a galvanic circuit and achieved a comparable corrosion rate to high purity Mg. Furthermore, effective grain refinement induced by the extrusion allowed the achievement of much lower corrosion rate than high purity Mg. Animal studies confirmed the large reduction in hydrogen evolution and revealed good tissue compatibility with increased bone deposition around the newly developed Mg alloy implants. Thus, high strength Mg-Ca-Zn alloys with medically acceptable corrosion rate were developed and showed great potential for use in a new generation of biodegradable implants.
