蠕铁的韧性——脆性转变温度铸态和退火态均随磷含量的增加而升高。
The ductile-embrittlement transition temperature of vermicular graphite cast iron increased with increasing phosphorus content both in the as-cast and annealed condition.
复合材料的断裂由韧性断裂转变为脆性断裂，但压缩断裂强度随着ZrO2含量的增加而得到提高。
The mode of fracture changed from ductile to fragile for the BMG composites, but the compressive failure strength increased.
对于脆性较大的UPR，只有在采用加载速度较慢的断裂韧性来表征其韧性时，方能观察到这一脆韧转变现象。
For the UPR with greater brittleness, the brittle-tough transition was observed only when the toughness of the resin was characterized by fracture toughness at a slower loading rate.
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