Mg-Zn系合金热裂行为的研究进展
王峰, 白盛巍, 王志, 杜旭东, 周乐, 毛萍莉, 魏子淇, 李瑾伟

Research Progress on Hot Tearing Behavior of Mg-Zn Series Alloys
WANG Feng, BAI Shengwei, WANG Zhi, DU Xudong, ZHOU Le, MAO Pingli, WEI Ziqi, LI Jinwei
表2 Mg-Zn-Y系合金热裂敏感性的研究结果[37~47]
Table 2 Hot tearing susceptibility (HTS) results of Mg-Zn-Y series alloys[37-47]

Alloy

mass fraction / %

Alloy with peak HTS mass fraction / %

Alloy with valley HTS

mass fraction / %

Processing parameter
Tmold / oCTpour / oC
Mg-1.5Zn-xY (x = 0.2, 2, 4)[37]Mg-1.5Zn-0.2YMg-1.5Zn-4Y250750

Mg-4.5Zn-xY (x = 0, 0.4, 0.9, 2)[38]

Mg-4.5Zn-0.4Y

Mg-4.5Zn-0.9Y

Mg-4.5Zn-2Y250750
Mg-4.5Zn-0.9Y

Mg-4.5Zn,

Mg-4.5Zn-2Y

450750
Mg-xZn-2xY (x = 1, 1.67, 2.67)[39]Mg-1.67Zn-3.34YMg-2.67Zn-5.34Y250720
Mg-4.5Zn-xY-0.5Zr (x = 0.5, 1, 2, 4, 6)[40]Mg-4.5Zn-1Y-0.5ZrMg-4.5Zn-6Y-0.5Zr200720
Mg-1Zn-xY (x = 1, 1.33, 2)[41]Mg-1Zn-1YMg-1Zn-1.33Y250750
Mg-1Zn-xY (x = 1, 2, 3)[42]Mg-1Zn-1YMg-1Zn-3Y250750
Mg-6.5Zn-xY-0.5Zr (x = 1, 2, 4, 6)[43]Mg-6.5Zn-6Y-0.5ZrMg-6.5Zn-2Y-0.5Zr200720

Mg-5(Zn + Y)-0.5Zr (Mg-2.5Zn-2.5Y-0.5Zr,

Mg-3Zn-2Y-0.5Zr, Mg-3.75Zn-1.25Y-0.5Zr,

Mg-4.29Zn-0.71Y-0.5Zr)[44]

Mg-3.75Zn-1.25Y-0.5Zr

Mg-2.5Zn-2.5Y-0.5Zr

200

700

Mg-xZn-0.5Y-0.5Zr (x = 1.5, 2.5, 3.5, 4.5)[45]Mg-1.5Zn-0.5Y-0.5ZrMg-4.5Zn-0.5Y-0.5Zr280700
Mg-xZn-2Y (x = 0, 0.5, 1.5, 4.5)[46]Mg-1.5Zn-2YMg-2Y250750
Mg-xZn-4Y-0.5Zr (x = 0, 0.5, 1.5, 3)[47]Mg-1.5Zn-4Y-0.5ZrMg-4Y-0.5Zr200720