4.7 Article

Optimization of AZ80 magnesium alloy squeeze cast process parameters using morphological matrix

Journal

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/S1003-6326(11)61192-8

Keywords

AZ80 magnesium alloy; squeeze cast; process parameters; morphological matrix; optimization

Funding

  1. National Natural Science Foundation of China [50975263]
  2. International Science Technology Cooperation Program of China [2011DFA50520]

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The squeeze cast process parameters of AZ80 magnesium alloy were optimized by morphological matrix. Experiments were conducted by varying squeeze pressure, die pre-heat temperature and pressure duration using L9(33) orthogonal array of Taguchi method. In Taguchi method, a 3-level orthogonal array was used to determine the signal/noise ratio. Analysis of variance was used to determine the most significant process parameters affecting the mechanical properties. Mechanical properties such as ultimate tensile strength, elongation and hardness of the components were ascertained using multi variable linear regression analysis. Optimal squeeze cast process parameters were obtained.

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