复合材料的压缩强度随着增强体体积分数的增大而提高， 屈服应变随着体积分数的增大而减小。
With the increase of the volume fraction of SiC foam reinforcement, the compressive strength increases, but the ratio of compress decreases.
发现在相同测量方式下，随降温速率的增大或测量温度的降低，屈服应力增大、屈服时间变长、屈服应变减小。
Results show that with the increase of cooling rate or decrease of measurement temperature, both the yield stress and yield time increase, but the yield strain decreases.
屈服点是在应变有可观增加，应力没有增加的应力极限，在这个极限下，如果应变继续增加，应力就也会增加。
The yield point is the stress at which there is an appreciable increase in strain with no increase in stress, with the limitation that, if straining is continued, the stress will again increase.
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