公开(公告)号：US06264763B1

公开(公告)日：2001-07-24

申请号：US09302529

申请日：1999-04-30

申请人： Bob Ross Powell ,  Vadim Rezhets ,  Aihua A. Luo ,  Basant Lal Tiwari

发明人： Bob Ross Powell ,  Vadim Rezhets ,  Aihua A. Luo ,  Basant Lal Tiwari

IPC分类号： C22C2300

CPC分类号： C22C23/02

摘要： A family of die castable, creep-resistant magnesium alloys has been developed for high-temperature structural applications such as automotive engines and transmission cases. These alloys contain between 3% and 6% aluminum, 1.7% and 3.3% calcium, and up to 0.2% strontium. They have demonstrated 25% greater tensile and compressive creep resistance than AE42, a commercial aluminum, rare earth containing magnesium alloy, and corrosion resistance as good as AZ91D. These alloys are estimated to cost less than AZ91D and have good castability in metal molds as used in permanent mold casting and die casting.

摘要翻译： 已经开发了一系列可压铸，耐蠕变镁合金，用于高温结构应用，如汽车发动机和变速箱。 这些合金含有3％至6％的铝，1.7％和3.3％的钙，以及至多0.2％的锶。 它们比AE42（商业铝，稀土镁合金）耐腐蚀性好，比AZ91D好，具有25％的抗拉和抗压蠕变性能。 据估计，这些合金的成本低于AZ91D，并且在用于永久模具铸造和压铸中的金属模具中具有良好的可浇铸性。