Additive manufacturing of complex-shaped graded TiC/steel composites

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• 作者：Asaf Levy^a ; Aslan Miriyev^b ; ^{aslan.miriyev@columbia.edu} ; Amy Elliott^c ; Sudarsanam Suresh Babu^d ; Nachum Frage^a
• 关键词：Additive manufacturing ; Ceramic metal composites ; Graded materials ; Steel ; Titanium carbide
• 刊名：Materials & Design
• 出版年：2017
• 出版时间：15 March 2017
• 年：2017
• 卷：118
• 期：Complete
• 页码：198-203
• 全文大小：1345 K
• 卷排序：118

文摘

For the first time, graded titanium carbide preforms were successfully fabricated by binder jet 3D-printing. Titanium carbide with various stoichiometries was synthesized. Ceramic/steel composites with gradually changing steel microstructure were obtained. The composites were fabricated by infiltration of porous 3D-printed TiC preforms with molten steel. Heat treatment allowed to obtain composites with hardness gradient of 700–1600 HV.