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摘要:
Bulk metallic glass and their composites (BMGMCs) are a new class of materials which possess superior mechanical properties as compared to existing conventional materials. Owing to this, they are potential candidates for tomorrow’s structural applications. However, they suffer from poor ductility and little or no toughness which render them brittle and they manifest catastrophic failure under applied force. Their behavior is dubious, unpredictable and requires extensive experimentation to arrive at conclusive results. In present study, an effort has been made to design bulk metallic glass matrix composites by the use of modeling and simulation. A probabilistic cellular automaton (CA) model is developed and described in present study by author which is used in conjunction with earlier developed deterministic model to predict microstructural evolution in Zr based BMGMCs in additive manufacturing liquid melt pool. It is elaborately described with an aim to arrive at quantitative relations which describe process and steps of operations. Results indicate that effect of incorporating all mass transfer and diffusion coefficients under transient conditions and precise determination of probability number play a vital role in refining the model and bringing it closer to a level that it could be compared to actual values. It is shown that proposed tailoring can account for microstructural evolution in metallic glasses.
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篇名 Probabilistic Modelling of Microstructural Evolution in Zr Based Bulk Metallic Glass Matrix Composites during Solidification in Additive Manufacturing
来源期刊 工程(英文)(1947-3931) 学科 医学
关键词 BULK METALLIC Glass Matrix Composites SOLIDIFICATION Cellular AUTOMATA Method
年,卷(期) 2018,(4) 所属期刊栏目
研究方向 页码范围 130-141
页数 12页 分类号 R73
字数 语种
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研究主题发展历程
节点文献
BULK
METALLIC
Glass
Matrix
Composites
SOLIDIFICATION
Cellular
AUTOMATA
Method
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
工程(英文)(1947-3931)
月刊
1947-3931
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
367
总下载数(次)
1
总被引数(次)
0
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