Correlating shrinkage microporosity with the mechanical properties of sand-cast superduplex stainless steel using a numerical/experimental approach
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- 作者：Gianfranco Palumbo ; gianfranco.palumbo@poliba.it" class="auth_mail" title="E-mail the corresponding author ; Vito Piglionico vito.piglionico@poliba.it" class="auth_mail" title="E-mail the corresponding author ; Donato Sorgente donato.sorgente@poliba.it" class="auth_mail" title="E-mail the corresponding author ; Antonio Piccininni antonio.piccininni@poliba.it" class="auth_mail" title="E-mail the corresponding author ; Pasquale Guglielmi pasquale.guglielmi@poliba.it" class="auth_mail" title="E-mail the corresponding author ; Luigi Tricarico luigi.tricarico@poliba.it" class="auth_mail" title="E-mail the corresponding author
- 关键词：Superduplex stainless steel (ASTM A890 Gr.5A) ; Sand-casting ; MAGMASoft ; Niyama criterion ; Shrinkage microporosity ; Miniaturised tensile specimens
- 刊名：Materials & Design
- 出版年：2016
- 出版时间：5 March 2016
- 年：2016
- 卷：93
- 期：Complete
- 页码：168-179
- 全文大小：2119 K
文摘
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Tensile tests on miniaturised specimens from a sand cast plate allowed the Niyama threshold evaluation.
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The mechanical and deformative material response can be well correlated to the Niyama value.
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The purely thermal Niyama parameter can be used to predict the sand cast material behaviour.
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The knowledge of the microporosity value does not play a key role anymore.