断裂试验

BT20钛合金断裂试验表明，CT试样均在裂纹延性启裂并缓慢扩展后，发生脆性失稳断裂。

Fracture test of the BT20 indicates that brittle unstable fracture occurs after ductile crack initiation and slow propagation for all the compact tension ( CT ) specimens .

断裂试验表明，FBG的断裂应变极限为5457με，因此FBG的传感零点需偏移5000με。

The fracture test shows that the maximum strain limit of FBG is 5 457 με, which means the offset of working zero of FBG should at least be 5 000 με .

Maraging（C）350钢扭杆断裂试验

The fractue experimental research of maraging ( c ) 350 torsional rods

SCT模拟试样断裂试验研究

Experimental Research on Fracture of SCT Specimen

最后，本文建议裂纹相对长度的取值范围为0.4～0.6；还建议在复合型断裂试验时，必须依据对K、K的总体精度要求来严格控制加载角的精度。

Finally , the range of the relative crack length is recommended as 0.4 ~ 0.6 , the accuracy of the loading angle should be strictly controlled on the total accuracy requirements of K_I and K_ ⅱ under mixed mode fracture tests .

应力应变测定结果和断裂试验证明SCT试样能够较好模拟压力容器接管等高应变梯度区的力学特征和断裂特征。借助SCT试样有效地解决了高应变条件下裂纹的疲劳扩展速率的测定技术问题。

Mechanics characteristic and fracture behavior of pressure vessel nozzles can simulated and we can measure fatigue rate of nozzle cracks at pressure vessel by testing of SCT samples .

用带扫描电镜的电液伺服试验系统对细骨料混凝土进行了断裂试验，拍摄到了不同荷载水平下裂纹扩展过程的SEM图像。

The three-point bending fracture tests of fine aggregate concrete were conducted on an electro-hydraulic testing system with scanning electronic microscope ( SEM ), from which the SEM photographs of the cracks growth of fine aggregate were obtained at different load levels .

动态断裂试验结果表明，经过438h时效，KId值比未时效试样下降了9.5%；

The results from dynamic fracture test show that K_ ( Id ) after 438h aging is reduced by about 9.5 % than that before aging .

本研究通过对我国27例正常人和51例骨髓造血功能衰竭的患者（48例临床诊断为AA，3例临床诊断为FA）进行了丝裂霉素C（MMC）诱导的染色体断裂试验。

In this study , MMC-induced chromosome breakage tests have been done on 27 healthy controls and 51 patients with bone marrow failure 〔 including 48 patients with aplastic anemia ( AA ) and 3 patients with FA before cytogenetic analysis 〕 .

为克服标准断裂试验方法测定中、低强度材料KIC值的困难，若干实用性断裂试验方法被提出。

Some kinds of practical fracture test methods were proposed in literature in order to overcome the difficult of standard fracture test for medium low strength material .

通过对由标准CT试样发展而来的异形紧凑拉伸（SCT）试样的应变测试和断裂试验，证明SCT试样能够很好地模拟压力容器接管等高应变梯度区的主要特征。

By strain determination and fracture test for special compact tensile ( SCT ) specimen developed from standard CT specimen , it has been proved that SCT specimens can reproduce well main characters of high strain region nearby nozzles in pressure vessels .

分别对3例FA患儿的外周血淋巴细胞进行了丝裂霉素C（MMC）诱导的染色体断裂试验，用细胞融合和互补分析方法，检测FA患儿基因亚型。

The peripheral blood lymphocytes were collected and mitomycin C ( MMC , DNA cross link agent , the concentration 100 ng / ml ) induced chromosomal breakage tests were done . The genetic subtype of FA was achieved by cell fusion and complementation analysis .

以HSC、MSC和NSC抗压、弯折和断裂试验数据为依据，针对HSC、MSC和NSC的断裂韧度、特征长度及破坏机理展开讨论。

The fracture toughness , characteristic length and damage mechanism of HSC , MSC and NSC are discussed in the paper , based on the compression , bending and fracture experiment data of HSC , MSC and NSC .

采用楔入劈拉试件几何形式，进行了最大尺寸为1200mm×1200mm×200mm混凝土断裂试验。

Wedge splitting fracture tests are performed on concrete specimens with the maximum dimension of 1 200 mm × 1 200 mm × 200 mm .

本文根据结构钢材低温断裂试验的结果，分析了常用结构钢材的低温条件下基于CTOD指标的裂纹扩展阻力曲线，试验结果可为钢结构断裂设计提供依据。

The paper analyzes the R-curve based on CTOD of common structural steels at low temperature . The results of experiments could be applied in the analysis of fracture and provides experimental basis for the design .

为了分析CCCD-SHPB动态断裂试验系统试验结果的有效性，采用3维动态有限元方法分析了试件几何尺寸和入射杆、透射杆材料对实验结果的影响。

In order to analyze the validity of testing results for CCCD-SHPB dynamic fracture test system , 3-D dynamic finite element method was employed to investigate the effects of specimen 's geometric size and incident / transmitted bar 's material on the testing results .

本文以大理岩中心裂纹圆盘试件的纯Ⅰ型加载为例，采用CCCD-SHPB试验系统对岩石试件进行不同加载速率下的动态断裂试验，初步探讨了岩石类材料动态断裂韧性的加载速率相关性。

In this paper , cased study central cracked circular disk of marble specimens loading case of pure type ⅰ, making dynamic fracture test under different loading rates using CCCD-SHPB test system , discussed the dynamic fracture toughness of rock material loading rate dependency .

碾压混凝土层面断裂试验研究

The Experimental Investigation into Fracture in Rolled Compaction Concrete Layer Surface

结构钢在三轴应力空间的断裂试验分析

Experimental study of structure steel in stress triaxiality on fracture properties

楔入式紧凑拉伸断裂试验研究

Experimental Study Using Wedge - Splitting Test on Compact Tension Specimens

复杂应力状态下球墨铸铁断裂试验的断口分析

The Fracture Analysis of Ductile Iron Fracture Test under Complex Stress Condition

脆性指数理论在铸镁合金断裂试验中的应用

Theory of Brittleness Number Applied in Fracture Testing of Cast Magnesium Alloy

细骨料混凝土细观断裂试验研究

Experimental Study of Macroscopic Fracture of Fine Aggregate Concrete

船用柴油机球铁曲轴疲劳断裂试验研究

Experiment on Fatigue Fracture of Nodular Cast Iron Crankshaft for Marine Diesel Engines

脆性材料断裂试验刚性加载架的工作原理及其应用

Rigid Loading Frame of Fracture Test for Brittle Materials

混凝土Ⅰ-Ⅱ复合型断裂试验的试件形式及试验装置系统

Test specimen geometries used in experimental investigation of mixed mode fracture of concrete

车轮钢Ⅱ型裂纹的疲劳及断裂试验研究

Experimental Study on the Mode ⅱ Crack Fracture and Fatigue of Wheel Steel

结构钢开孔管断裂试验及有限元分析

The Fracture Experimental and Finite Element Analysis of the Steel Pipe with Hole

实用断裂试验方法的意义与内容（一）

On importance and content of the practical fracture test methods ( 1 )

本文利用紧凑试样在拉-剪复合加载下进行了断裂试验。

A compact specimen is put to the fracture test under tension-shear combined loading .