砂型铸造Mg-6Al-xZn合金凝固行为及晶粒尺寸*
侯丹辉, 梁松茂, 陈荣石, 董闯

SOLIDIFICATION BEHAVIOR AND GRAIN SIZE OF SAND CASTING Mg-6Al-xZn ALLOYS
HOU Danhui, LIANG Songmao, CHEN Rongshi, DONG Chuang
表2 从中心电偶热分析曲线中获得的凝固过程中对应的关键温度点(℃)
Table 2 Critical points temperature obtained from the cooling curves of the central thermocouple
Alloy Peak A TDCP Peak B Peak C
Tonset Tpeak Tonset Tpeak Tonset Tpeak
AZ60 617 614 610 439 436 - -
AZ62 610 608 604 407 404 - -
AZ64 602 599 593 389 385 361 359
AZ66 598 594 587 372 369 362 360