abs

학술발표회초록보기

초록문의 abstract@kcsnet.or.kr

결제문의 member@kcsnet.or.kr

현재 가능한 작업은 아래와 같습니다.
  • 03월 04일 13시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

GROWTH OF ETCH PITS FORMED DURING SONOELECTROCHMICAL ETCHING OF ALUMINUM

등록일
2005년 2월 17일 18시 23분 11초
접수번호
1071
발표코드
토27D4구 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
토 11시 : 00분
발표형식
구두발표
발표분야
전기화학
저자 및
공동저자
탁용석, 강진욱1, 신윤호1
인하대하교 화학공학과,
1인하대학교 화학공학과,

The effect of acoustic power to an electrochemical system can be considered as a source of activation which influences the mass transport, cleaning and thermal effect at the electrode/electrolyte interface. Enhanced mass transport of species to the electrode’s surface is resulted from ultrasonically induced acoustic streaming and cavitation effects at the electrode / electrolyte interface that maintain the electrode’s activity. Figure 1. Fig.1. The effect of superimposition of acoustics on the initial potential transients during etching. Fig 1. indicates that time span of initial potential transient becomes that shorten with acoustics, which manifests the fast breakdown of natural oxide film. Simultaneously, the potential rise rate to the peak potential, equivalent to the anodic film format ion, is greater with acoustics. It suggests that, with the superimposition of acoustic during etching, mass transport of water and chloride ion inside native oxide film can be accelerated. In this work, the effect of acoustics during the electrochemical anodic etching of aluminum was investigated to increase the pit density and have a uniform tunnel length. Acknowledgement This work was supported by Inha universtiy 2005 reserch grant.


상단으로