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镁基中间合金对ZA85组织和性能的影响
  • 期刊名称：铸造设备研究,2006.1,19～21
  • 时间：0
  • 分类：TG146.22[金属学及工艺—金属材料;一般工业技术—材料科学与工程;金属学及工艺—金属学]
  • 作者机构：[1]太原理工大学材料科学与工程学院,山西太原030024
  • 相关基金：国家自然科学基金项目（50571073）;山西省自然科学基金资助（20051052）.
  • 相关项目：镁基准晶颗粒在镁基复合材料中的作用行为与表征
关键词： 镁基中间合金, 显微组织, 力学性能, Mg - based master alloy, microstmcture, mechanical property
中文摘要：

研究了镁基中间合金变质剂对Mg-8Zn-5Al-0.25Mn铸造镁合金显微组织和力学性能的影响.结果表明：Mg-8Zn-5Al-0.25Mn铸造镁合金显微组织主要由α-Mg相,φ（Al12Mg5Zn2）相和τ（Mg32（AlZn）49）相组成.适量的镁基中间合金变质剂的加入可以使晶粒细化,在加入1.7%中间合金变质剂时合金的韧性达到峰值,其韧性比ZA85母合金提高了一倍,而合金的硬度随着中间合金变质剂加入量的增多而增大.当加入量为7%时其硬度值达到86.37 HB.

英文摘要：

The paper has investigated the influence of Mg - based master alloy on the microstructure and property of the die cast alloy Mg-8Zn-5Al-0.25Mn. The result indicates that the microstructure are made of α- Mg phase ,Ф phase （AI2 MgsZn2 ） ,τ phase （ Mg32 （AlZn） 49 ）. The Mg - based master alloy can decrease the size of the grain. When 1.7% added, the tenacity will come to a max - digit about two times as the tenacity of ZA85. The more the Mg - based Master alloy added , the bigger digit the hardness can achieve. When 7% master alloy added the hardness will come to 86.37HB.

同期刊论文项目
镁基准晶颗粒在镁基复合材料中的作用行为与表征
期刊论文 36 会议论文 1
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