Low gas pressure (15-105kPa) is used to make liquid metal fill mold (metal mold or sand mold) up the riser and solidify under pressure in foundry. It is generally used for foundry nonferrous alloys and also for steel castings.
No classification at present.
directional solidification(定向凝固)
steel(钢)
alloy(合金)
feeder(冒口)
sand(砂)
iron(铁)
phase(相)
mold(铸型)
foundry(铸造)