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急冷-强度法
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  residual-strength method
     The thermal shock resistance of ZrO 2(3Y) and ZrO 2(3Y)/Fe 3Al composite was studied using indentation-quench technique and the residual-strength method,respectively.
     采用压痕 -急冷法测试了单相 3Y ZrO2 及 3Y ZrO2 Fe3Al复合材料的抗热震性能 ,并与急冷 -强度法的测试结果进行了对比分析。
短句来源
     The use of the same sample for a whole series of temperatures in the thermal shock experiments is the most pronounced advantage of the indentation-quench method, compared to residual-strength method where new samples have to be prepared for each temperature.
     压痕 -急冷法与急冷 -强度法相比免去了热震后的强度测试 ,不同温度下热震可以采用同一试样 ,而后者在不同热震温差下 ,必须使用新的试样
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  相似匹配句对
     Diagram Method of Heavy Rain Intensity Formulas
     暴雨强度公式的图解
短句来源
     Singularity functions method of strength analysis for revolving shafts
     转轴强度分析的奇异函数
短句来源
     "Uitrasonic and Pull-out"Composite Method for Testing Concrete Strength
     超声-拔出综合检测混凝土强度
短句来源
     The tensile strength of melt-spin sample is 102 MPa.
     急冷样品的拉伸强度为 102 MP且。
     If probability density functions of stress and strength are not definite, Monte Carlo method is adopted.
     应力、强度概率密度函数不确定 ,用 Monte- Carlo
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The thermal shock resistance of the Al_2O_3-SiCw,Al_2O_3-ZrO_2,and Al_2O_3-TiCp ceramic matrix composites were measured by the indentation-quench test. The results of the test were compared with the results of quenching test. The results show that the two methods are consistent and the three kinds of composites exhibited better thermal shock resistance than their matrix. The Al_2O_3-SiCw composite, however, displayed the best resistant to crack extension and higher cyclic thermal shock resistance. From SEM observation...

The thermal shock resistance of the Al_2O_3-SiCw,Al_2O_3-ZrO_2,and Al_2O_3-TiCp ceramic matrix composites were measured by the indentation-quench test. The results of the test were compared with the results of quenching test. The results show that the two methods are consistent and the three kinds of composites exhibited better thermal shock resistance than their matrix. The Al_2O_3-SiCw composite, however, displayed the best resistant to crack extension and higher cyclic thermal shock resistance. From SEM observation and theoretical analysis, it was inferred that this phenomena could be attributed mainly to the microstructure and the toughing mechanism of the materials. The indentation-quench test avoids subsequent mechanical testing, by using a small number of specimens, and the reliable statistical data can be obtained, and also the propagation of the crack can be observed directly.

采用压痕 急冷法测试了Al2 O3 SiCw ,Al2 O3 ZrO2 和Al2 O3 TiCp三种陶瓷基复合材料的抗热震性能 ,并与急冷强度法测试结果进行了对比分析。实验结果表明 ,两种方法之间存在一致性。三种陶瓷基复合材料与基体Al2 O3 相比抗热震性均有较大幅度的提高 ,其中Al2 O3 SiCw复合材料显示出最为优越的抗裂纹扩展能力与抗循环热震性能。材料的增韧效果是产生这一现象的主要原因。压痕 急冷法与急冷强度法相比免去了热震后的强度测试 ,具有使用试样数目少 ,数据具有统计效应 ,可直接观测裂纹扩展等优点

s:The thermal shock resistance of Al 2O 3-TiC-Co composites was measured by quenching test during 225~1025℃. The experiment results show that retained strength of the composites do not greatly decline when temperature difference is 200℃ and significantly decline when temperature difference is equal to or over 300℃. X-ray diffracton analysis results show that the composites are oxidized at 1025℃. SEM observation indicates that the microstructures become more and more loose and more pores emerge with the temperature...

s:The thermal shock resistance of Al 2O 3-TiC-Co composites was measured by quenching test during 225~1025℃. The experiment results show that retained strength of the composites do not greatly decline when temperature difference is 200℃ and significantly decline when temperature difference is equal to or over 300℃. X-ray diffracton analysis results show that the composites are oxidized at 1025℃. SEM observation indicates that the microstructures become more and more loose and more pores emerge with the temperature difference increasing. The residual strength of the composites after thermal shock decreases significantly due to the loosened microstructure and pores formation. The cyclic thermal shock experiments were carried out for ΔT =400℃. The experiment results indicate that retained strength of the composites decline and the decreasing ranges of strength gradually weaken with thermal shock times increasing.

采用急冷强度法对Al2 O3 TiC Co复相陶瓷在 2 2 5~ 10 2 5℃的范围进行了抗热震性试验。结果表明 ,温差 2 0 0℃时抗弯强度下降不明显 ,温差大于 30 0℃时抗弯强度开始明显下降。通过对热震后试样的相结构及微观结构的分析发现 ,当预热温度为 10 2 5℃ (即热震温差为 10 0 0℃ )时 ,试样发生了氧化反应 ,随着热震温差的升高 ,试样的显微结构越来越疏松 ,出现了较多的孔洞 ,这是导致材料热震后强度明显下降的一个主要原因。通过 4 0 0℃热震温差的循环热震实验 ,表明随着循环次数的增加 ,抗弯强度随着下降 ,但下降的幅度将逐渐减缓。

The thermal shock resistance of ZrO 2(3Y) and ZrO 2(3Y)/Fe 3Al composite was studied using indentation-quench technique and the residual-strength method,respectively.Comparing the results of two methods,the same conclusion can be drawn that the thermal shock resistance of the composite is improved sisnificantly due to the addition of Fe 3Al particle into ZrO 2(3Y). The use of the same sample for a whole series of temperatures in the thermal shock experiments is the most pronounced advantage of the indentation-quench...

The thermal shock resistance of ZrO 2(3Y) and ZrO 2(3Y)/Fe 3Al composite was studied using indentation-quench technique and the residual-strength method,respectively.Comparing the results of two methods,the same conclusion can be drawn that the thermal shock resistance of the composite is improved sisnificantly due to the addition of Fe 3Al particle into ZrO 2(3Y). The use of the same sample for a whole series of temperatures in the thermal shock experiments is the most pronounced advantage of the indentation-quench method, compared to residual-strength method where new samples have to be prepared for each temperature.

采用压痕 -急冷法测试了单相 3Y ZrO2 及 3Y ZrO2 Fe3Al复合材料的抗热震性能 ,并与急冷 -强度法的测试结果进行了对比分析。试验结果表明 ,两种方法之间存在一致性。两种复合材料比基体的抗热震性均有较大幅度的提高。压痕 -急冷法与急冷 -强度法相比免去了热震后的强度测试 ,不同温度下热震可以采用同一试样 ,而后者在不同热震温差下 ,必须使用新的试样

 
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