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Analysis on Brittle Fracture of High Manganese Steel Caterpillar Board
Author(s): 
Pages: 67-69
Year: Issue:  6
Journal: Heat Treatment

Abstract: 对断裂的高锰钢履带板进行了化学成分、断口和金相分析.结果表明,铸造时浇注温度过高,引起硫在晶界及晶内偏聚,并形成低熔点硫化物,在水韧处理温度偏高时发生过烧.此外,严重的铸造疏松降低了材料的强度和抗冲击性能,导致履带板发生脆性断裂.
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