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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Microstructure and Mechanical Properties of 3003 Aluminum Alloy with Mg and Ni Addition
verfasst von : Zhijiao Tang, Ye Pan, Tao Lu, Yabiao Lin
Erschienen in: Light Metals 2014
Verlag: Springer International Publishing
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A study of effects of adding elements and processing on the microstructure and mechanical properties of 3003 aluminum alloy has been carried out with a special focus on the effects of Mg alone and in combination with Mg and Ni in order to ensure it is able to withstand high temperatures. The additions of Mg or Mg+Ni can decrease grain size of the alloys under different processing conditions, and have AlMnFeSi and AlMnFeNiSi compound appearance. The tensile strength of 3003+0.3Mg and 3003+0.3Mg+0.2Ni alloys is increased to about 25% and 55% at room temperature, and 58%, 80% at 200– and 53%, 100% at 250– respectively. Especially, the creep resistance of 3003+0.3Mg+0.2Ni alloys has been significantly improved with a steady state creep rate decrease in two orders of magnitude. The relationships among microstructure, composition and properties are also discussed, which explains the reason of property improvement, especially high temperature performance.