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Volume 24 Issue 12
Dec.  2017
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文章导航 >  矿物冶金与材料学报（英文）  > 2017  >  24(12): 1384-1393
Anchalee Manonukul, Sukrit Songkuea, Pongporn Moonchaleanporn,  and Makiko Tange, Effect of weld line positions on the tensile deformation of two-component metal injection moulding, Int. J. Miner. Metall. Mater., 24(2017), No. 12, pp. 1384-1393. https://doi.org/10.1007/s12613-017-1531-1
Cite this article as:
Anchalee Manonukul, Sukrit Songkuea, Pongporn Moonchaleanporn,  and Makiko Tange, Effect of weld line positions on the tensile deformation of two-component metal injection moulding, Int. J. Miner. Metall. Mater., 24(2017), No. 12, pp. 1384-1393. https://doi.org/10.1007/s12613-017-1531-1
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研究论文

Effect of weld line positions on the tensile deformation of two-component metal injection moulding

  • National Metal and Materials Technology Center (MTEC), National Science and Technology Development Agency (NSTDA), 114 Thailand Science Park, Paholyothin Road, Klong 1, Klong Luang, Pathumthani 12120, Thailand

  • Taisei Kogyo (Thailand) Co., Ltd., Room INC2D-409, Innovation Cluster 2 Building, Tower D, 141 Thailand Science Park, Paholyothin Road, Klong 1, Klong Luang, Pathumthani 12120, Thailand

  • 通讯作者:

    Anchalee Manonukul    E-mail: anchalm@mtec.or.th

  • Knowledge of the mechanical properties of two-component parts is critical for engineering functionally graded components. In this study, mono-and two-component tensile test specimens were metal injection moulded. Three different weld line positions were generated in the two-component specimens. Linear shrinkage of the two-component specimens was greater than that of the mono-component specimens because the incompatibility of sintering shrinkage of both materials causes biaxial stresses and enhances sintering. The mechanical properties of 316L stainless steel were affected by the addition of a coloured pigment used to identify the weld line position after injection moulding. For the two-component specimens, the yield stress and ultimate tensile stress were similar to those of 316L stainless steel. Because 316L and 630 (also known as 17-4PH) stainless steels were well-sintered at the interface, the mechanical properties of the weaker material (316L stainless steel) were dominant. However, the elongations of the two-component specimens were lower than those of the mono-component specimens. An interfacial zone with a microstructure that differed from those of the mono-material specimens was observed; its different microstructure was attributed to the gradual diffusion of nickel and copper.
    • Research Article

    Effect of weld line positions on the tensile deformation of two-component metal injection moulding

    + Author Affiliations
      Abstract
    • Knowledge of the mechanical properties of two-component parts is critical for engineering functionally graded components. In this study, mono-and two-component tensile test specimens were metal injection moulded. Three different weld line positions were generated in the two-component specimens. Linear shrinkage of the two-component specimens was greater than that of the mono-component specimens because the incompatibility of sintering shrinkage of both materials causes biaxial stresses and enhances sintering. The mechanical properties of 316L stainless steel were affected by the addition of a coloured pigment used to identify the weld line position after injection moulding. For the two-component specimens, the yield stress and ultimate tensile stress were similar to those of 316L stainless steel. Because 316L and 630 (also known as 17-4PH) stainless steels were well-sintered at the interface, the mechanical properties of the weaker material (316L stainless steel) were dominant. However, the elongations of the two-component specimens were lower than those of the mono-component specimens. An interfacial zone with a microstructure that differed from those of the mono-material specimens was observed; its different microstructure was attributed to the gradual diffusion of nickel and copper.
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      • References(19)
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