首页> 外文会议>International Conference on Processing amp; Manufacturing of Advanced Materials Pt.1; Jul 7-11, 2003; Leganes, Madrid, Spain >Mechanical Properties of Magnesium Alloy Sheets produced by Semi-solid Roll Strip Casting
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Mechanical Properties of Magnesium Alloy Sheets produced by Semi-solid Roll Strip Casting

机译:半固态辊轧连铸镁合金薄板的力学性能

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An experimental approach has been used to ascertain the effectiveness of semi-solid roll strip casting of magnesium alloys using a twin roll caster. It has been recognized that semi-solid forming contributes to lightening the total product weight if semi-solid material produced by light metals can be used to replace conventional iron and steel products. However, the problems of utilizing magnesium alloys are still mainly related high manufacturing cost. This means that improved quality must be balanced by economic validity. In this experiment, magnesium alloy AZ31, AZ91, AM50 and AM60 were used to determine which were appropriate for use in semi-solid roll strip casting. Temperature of the molten materials, roll speeds at upper and lower rolls, which could be changed independently, were varied to find an appropriate manufacturing condition. Effects of cooling and contact condition on possible forming were clarified in terms of contact condition between molten material and roll. Also, microscopic observation of the crystals of the finished casting has been performed. It has been found that magnesium sheet with 2.5 to 4.0 mm thickness could be produced at a speed of 30m/min.
机译:已经使用实验方法来确定使用双辊连铸机对镁合金进行半固态辊式薄带连铸的有效性。已经认识到,如果可以使用由轻金属生产的半固态材料代替常规的钢铁产品,则半固态成型有助于减轻产品的总重量。然而,利用镁合金的问题仍然主要与高制造成本有关。这意味着必须通过经济有效性来平衡提高的质量。在该实验中,使用镁合金AZ31,AZ91,AM50和AM60来确定哪些合金适合用于半固态轧制带钢。可以独立改变熔融材料的温度,上下辊的辊速,以找到合适的制造条件。通过熔融材料和辊之间的接触条件,明确了冷却和接触条件对可能形成的影响。而且,已经完成的铸件的晶体的显微镜观察。已经发现,可以30m / min的速度生产厚度为2.5至4.0mm的镁片。

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