자동차 추진축용 알루미늄-규소 합금의 제조방법
    61.
    发明公开
    자동차 추진축용 알루미늄-규소 합금의 제조방법 失效
    生产用于电动车辆螺旋桨轴的AL-SI基合金

    公开(公告)号:KR1020010077145A

    公开(公告)日:2001-08-17

    申请号:KR1020000004730

    申请日:2000-01-31

    Abstract: PURPOSE: A process for preparing an Al-Si based alloy for motor vehicle propeller shaft by finely dispersing Si to be added in a large amount in an Al matrix structure is provided. Whereby, the alloy is expected to being highlighted as a new alloy composition capable of substituting conventional propeller shaft materials. CONSTITUTION: The Al-Si based alloy for motor vehicle propeller shaft is prepared by the process consisting of: preparing molten metal by heating 13 to 40% by weight of an Al-Si alloy; obtaining a molded body by maintaining the molten metal at 700 to 900deg.C, spraying inactive high pressure gas and quickly solidifying; and obtaining extruded material by extruding the sprayed molded body at 400 to 550deg.C.

    Abstract translation: 目的:提供一种通过以大量分散在Al基体结构中分散Si来制备用于机动车辆传动轴的Al-Si基合金的方法。 因此,预计该合金将被强调为能够替代传统的螺旋桨轴材料的新型合金组合物。 构成:用于机动车辆传动轴的Al-Si基合金通过以下工艺制备,该方法包括:通过加热13至40重量%的Al-Si合金来制备熔融金属; 通过将熔融金属保持在700〜900℃,得到成型体,喷射惰性高压气体并快速固化; 通过在400〜550℃下挤压喷雾成形体而得到挤压材料。

    레이저를 이용한 커피 추출 장치 및 추출 방법

    公开(公告)号:KR102247263B1

    公开(公告)日:2021-05-03

    申请号:KR1020200056102

    申请日:2020-05-11

    Abstract: 본발명은분쇄된커피분말과물이혼합된액상혼합체에레이저빔을조사하여상기액상혼합체로부터커피를추출할수 있는레이저를이용한커피추출장치및 추출방법에관한것으로서, 상방이개방된용기형상으로형성된수용부에분쇄된커피분말과커피용수가혼합된액상혼합체를수용하는단계와, 상기수용부의상방에이동가능하게설치된레이저부가이동하면서상기수용부에수용된상기액상혼합체에레이저빔을조사하는레이저스캐닝(Scanning)으로상기액상혼합체로부터커피원액을추출하는단계및 상기레이저빔에의해추출된상기커피원액을여과부의여과필터에통과시켜상기커피원액에혼합된상기커피분말의찌꺼기를걸러내고커피만통과시키는여과단계를포함하고, 상기커피원액을추출하는단계에서, 상기레이저스캐닝의속도를조절하여상기레이저빔에의해추출되는상기커피원액의농도및 성분을조절할수 있도록, 상기레이저빔을조사하는상기레이저부의이동속도를제어하는단계를포함할수 있다.

Patent Agency Ranking