CAJ | 학술논문

为获得制备确定取向铝单晶试样的最优工艺参数，文中采用定向凝固设备结合籽晶法，研究了不同坩埚材料、加热温度及抽拉速度等对铝单晶试样质量的影响。实验结果表明：采用氮化硼（白石墨）坩埚，加热温度（850±5）℃下保温1 h ，在生长通道时抽拉速度为1μm/s ，在单晶生长部分抽拉速度为8μm/s ，达到引晶效果，试棒的初始取向与籽晶的取向一致。
위획득제비학정취향려단정시양적최우공예삼수，문중채용정향응고설비결합자정법，연구료불동감과재료、가열온도급추랍속도등대려단정시양질량적영향。실험결과표명：채용담화붕（백석묵）감과，가열온도（850±5）℃하보온1 h ，재생장통도시추랍속도위1μm/s ，재단정생장부분추랍속도위8μm/s ，체도인정효과，시봉적초시취향여자정적취향일치。
In order to obtain the optimum technique parameters of preparing aluminum single crystal with determined orientation ,the influence of crucible material ,heating temperature and drawing speed on the quality of aluminum single crystal has been analyzed in the present paper .After the aluminum melt is kept at 850 ± 5 ℃ for 1h in boron nitride crucible ,the drawing speed increases from 1 μm/s for grow th corridor of seed crystal to 8μm/s for growth corridor of single crystal in directional solidification equipment .The single crystal of aluminum can be obtained .