本文，对混凝土弯曲试样进行了测试，并用四种不同的方法进行了平面应变断裂韧性的计算和比较。
In this paper, the test results of bending concrete specimens are shown, and the vlues of plane-strain fracture toughness, calculated by four different methods, are compared with one another.
指出对这样的管材做小试样的J积分试验来测试其断裂韧性既方便、合理，又经济。
And points out simultaneously it is convenient, reasonable and economic for the pipe product to be tested for its fracture toughness of J integration with small samples.
采用缺口和裂纹两种试样测定合金的断裂韧性；
The fracture toughness of the alloys was measured on single-edge notched beam and cracked beam specimens.
研究了试样类型、试样厚度、比例试样尺寸及切口尖度等因素对普碳轨钢断裂韧性的影响。
The effect of specimen type, thickness, dimension ratio, and notch sharpness on fracture toughness of a carbon rail steel was examined.
提出了断裂韧性测试中必须注意的试样尺寸要求。
The specimen size requirements of determining fracture toughness are also presented.
黄麻纤维掺入聚丙烯导致黄麻纤维增强聚丙烯试样的冲击韧性摘要与断裂韧性下降。
The impact toughness and fracture toughness of the composite samples decrease after adding jute fibers when compared to pure polypropylene.
通过两种不同尺寸试样的断裂韧性测定，研究试样尺寸因素对球墨铸铁断裂韧性的影响；
The effects of specimen size on fracture toughness have been studied by measurements of two different size samples.
本文主要探讨关于测试钢材断裂韧性的问题，尤其关注于配备高端研究模型的落锤撕裂试样断裂性能实验设备的使用问题。
This article examines issues concerning to the measurement of fracture toughness of steel, in particular to the use of high capacity instrumented DWT testers.
本文主要探讨关于测试钢材断裂韧性的问题，尤其关注于配备高端研究模型的落锤撕裂试样断裂性能实验设备的使用问题。
This article examines issues concerning to the measurement of fracture toughness of steel, in particular to the use of high capacity instrumented DWT testers.
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