00931nam a2200229 a 4500001001300000005001500013007000300028008004100031041001300072049001800085052001800103056001500121082001600136100004800152245021400200260003900414300003900453502012000492504002900612546003400641900002600675KDM20126496620200724131633ta121018s2012    ulkad    m AL 000   eng  0 aengbkor0 lWM718651fWDP02a620.186b12-5  a530.4362501a620.1862211 a윤정일,g尹征壹,d1972-0KAC20185934010aEffect of sono-casting process on grain refinement and degassing of Al alloys =x알루미늄 합금의 결정립 미세화 및 탈가스에 관한 용탕내 초음파 인가 효과 및 기구 /dJeong Il Youn  aSeoul :bSungkyunkwan Univ.,c2012  ax, 191 p. :bill., charts ;c30 cm1 aThesis(Ph.D.) --bGraduate School, Sungkyunkwan Univ.,cSchool of Advanced Materials Science and Engineering,d2012  aBibliography: p. 186-188  aIn English; summary in Korean10aYoun, Jeongil,d1972-