Influence of carbides on the strength and toughness of a niobium alloy
Influence of carbides on the strength and toughness of a niobium alloy
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DOI：
10.1179/174328409x408884
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发表时间：
2010-03
影响因子：
1.8
通讯作者：
R. Ding;I. Jones
中科院分区：
文献类型：
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作者：
R. Ding;I. Jones
不同C含量（0、1和10 at）的Nb35Ti6Al5Cr8V （at.-%）的力学行为。-%)已被调查。加1个at。-%C不能提高室温或高温下的强度，而添加10 at。-%C可显著提高室温和高温下的强度。加1 at。-%C略微提高断裂韧性；将相同的合金时效9天也会导致韧性略有提高。10分。然而，-%C的加入导致韧性急剧下降。韧性的变化与碳化物修饰后的解理比例成线性关系。
The mechanical behaviour of Nb35Ti6Al5Cr8V (at.-%) containing different C contents (0, 1 and 10 at.-%) has been investigated. The addition of 1 at.-%C does not increase the strength at room or high temperature, whereas adding 10 at.-%C improves significantly the strength at both room and high temperature. Adding 1 at.-%C slightly increases the fracture toughness; aging the same alloy for 9 days also results in a slight improvement in the toughness. A 10 at.-%C addition, however, leads to a dramatic decrease in the toughness. The variation in the toughness is linearly related to the proportion of cleavage as modified by the carbide.