fractographic
fractographic
1. AN ELECTRON FRACTOGRAPHIC ANALYSIS OF THE REPEATED IMPACT FRACTURE IN 45Cr STEELS
45Cr钢多次冲击断口的电子显微分析
2. Keywords WB36 steel;HAZ;cold cracking;critical fracture stress;fractographic features;
WB36钢;热影响区;冷裂纹敏感性;临界断裂应力;断口形貌;
3. Keywords SEM;X60 pipeline steel;per-deformation;fractograph;fracture;
X60管线钢;预变形;断口形貌;断裂;
4. Keywords iuhomogeneous body;stress corrosion cracking;crack growth;fractograph;
不均匀体;应力腐蚀;裂纹扩展;断口;
5. The fractographic features are small voids when PVC fracture mechanism is secondary fracture modle.
其断裂机制为次级裂纹破裂模式时形成微坑形貌;
6. Keywords Cold strip mill;Back up roll;Spalling;Fractograph analysis;Microstructure;Mechanical properties;
冷连轧机;支承辊;剥落;断口分析;金相组织;力学性能;
7. Chemical composition analysis, fractograph and microstructure examination were used to analyze the fractured first-stretched mould.
利用化学分析、宏观断口和显微组织分析的方法对引伸凹模断裂件进行了分析。
8. Keywords dual phase steel;fatigue crack;fractograph;near-threshold;
双相钢;门槛值;疲劳裂纹扩展;
9. Keywords LiTaO3;Sialon;Al2O3;composite ceramics;fractograph;domain;
复相陶瓷;断口形貌;电畴;
10. Keywords directional solidification;Co-base superalloy;notch fatigue property;fractograph;
定向凝固;钴基高温合金;缺口疲劳性能;疲劳断口;
11. The mechanism of delamination of a kind of pipeline steel and its effect on fracture were analyzed from fracture experiments and a fractographic investigation was made at fracture surface.
对不同厚度油气输送管线钢进行各种裂纹的断裂试验,对各裂纹的断口进行了分析,探讨了分层机理及其对不同形式裂纹体承载能力的影响。
12. Fractograph analysis, metallographic examination and hardness testing have been applied in checking the reason of oil spout fracture in this paper.
对喷油嘴开裂原因进行了断口分析、金相检验和硬度测定。
13. The mechanical properties testing, microstructure observation and fractographic features analysis of the troostite high chromium cast iron blade were carried out.
对屈氏体高铬铸铁叶片进行力学性能测试、显微组织观察和断口形貌分析。
14. The fractured tubing was analyzed by fractographic inspection,metallographic examination,and mechanic property testing.
对油管进行了断口分析、金相检验、材料力学性能试验。
15. In the present paper,the fractographic features of PVC(Poylvinylchlqride) material subject to tension,bending and impact load have been researched by SEM.
对聚氯乙烯在拉伸、弯曲、冲击载荷作用下的断口形貌特征进行了观察分析,在此基础上探讨了聚氯乙烯的断裂过程及机制。
16. Fractographic and metallographic examination, mechanical testing have been carried out on the failure analysis of the drilling collar.
对钻铤断裂原因进行了断口分析、金相检验和力学性能试验。
17. Keywords troostite;high chromium alloy cast iron;blade;normalizing;fractographic features;
屈氏体;高铬铸铁;叶片;正火;断口形貌;
18. The fracture mechanism of 2024 aluminium alloy without CeO2 is quasi-cleavage and dimples,the main fractographic appearances are brittle and toughness,while the fracture mode of alloy is ductile fracture with some addition of CeO2.
当未添加CeO2时,2024铝合金断口表面呈准解理和韧窝状态,表现为脆性与韧性结合的混合断裂特征,而添加一定量的CeO时,合金呈现出塑性断裂特征。
19. The fractograph of dynamic electrochemical charging during the SSRT displays with a quasi-cleavage mode.
慢拉伸的动态电化学充氢断口出现准解理断裂。
20. Keywords Oil suck rod;Fractograph;Microstructure;Fatigue;Failure analysis;
抽油杆;断口;显微组织;疲劳;失效分析;
21. Fractographic Analysis of Ruptured Sucker Rod and Estimation of Its Residual Strength on Crack Growth Stage
抽油杆断口失效分析及裂纹扩展期剩余强度预测
22. The fracture toughness of 2124 Al-alloy was determined by three-point bending test method, the fractograph of the fracture profile was observed by the use of scanning electron microscope.
摘要采用三点弯曲法测试了2124铝合金的断裂韧性，并用扫描电子显微镜对试样断口纵剖面的组织形貌进行了观察。
23. The results and fractographic observations suggested that the acceleration in crack growth under cathodic polarization was due to hydrogen-induced cracking(HIC).
断口显微分析结果显示，阴极极化下加速裂纹的扩展是由于氢致腐蚀(HIC)。
24. 8.The fractograph exhibited typical ductile dimple fracture pattern.
断裂形式呈韧性断裂,断口以韧窝为主。
25. At fractographic analysis, specimens with fiber posts demonstrated delamination of the veneer ceramic from intact zirconia under structure.
断面形态显示，纤维桩修复组样本破坏表现为饰瓷从氧化锆内冠表面分离，氧化锆内冠无破坏。
26. Keywords gelatin material;mechanical properties;fractograph;
明胶材料;力学性能;断口;
27. Fractograph and microstructure analyses with scanning electron microscoy (SEM) and optical microscoy (OM) were conducted to determine the corrosion fatigue crack initiation and propagation mode.
此外，亦利用光学显微镜(OM)和扫描式电子显微镜(SEM)，对金相组织与破断面加以观察分析，以瞭解裂缝的生成及成长模式。
28. MULTIAXIAL FATIGUE FRACTOGRAPHIC ANALYSIS SUBJECTED TO PROPORTIONAL AND NONPROPORTIONAL LOADINGS
比例与非比例加载下多轴疲劳断口分析
29. Study of fractographic retroestimation of fatigue stress amplitude
疲劳应力变幅的断口反推研究
30. fractographic pattern
破断模型
31. Fractographic observations showed that hydrogen could induce surface cracks for smooth specimens and a cleavage fracture pattern for notch specimens at RT.
破断面观察结果显示，在室温中，氢气会导致平滑试片在表面形成裂纹，而在凹槽试片中产生劈裂破坏形态。
32. Keywords carbon fiber;high strain rate tensile;fractograph;
碳纤维;高应变率拉伸;断口形态;
33. The results showed that the HAZ impact toughness decreased with the increase in peak temperature and hence the fractographic appearance changed from dimple pattern to cleavage or quasi-cleavage pattern.
结果表明,随着峰值温度的提高,冲击韧性下降,断口形貌由韧窝状变成解理或准解理状。
34. Keywords polypropylene;Fractographic features;fracture;
聚丙烯;断口形貌;断裂;
35. Keywords crack growth rate;fractographic retroestimation;probability estimation;
裂纹扩展速率;断口定量分析;概率评估;
36. Crack growth rate is an important parameter for engineering fracture failure estimation,and fractographic retroestimation is one of practical methods for measuring crack growth rate.
裂纹扩展速率是工程断裂失效预测分析的基础,采用断口定量测量裂纹扩展速率是常用的实用方法之一。
37. The results showed that attaked surface had similar appearance like impact fractograph primary failure mechanism of cavitation damage was mixed mode of quasi cleavage and dimple fracture.
观察结果表明 ,其剥落形貌与冲击断口形貌相似 ,剥落机制主要是韧窝和准解理的混合型。
38. The anisotropy and it's evolution during ageing treatment for Al-Li alloy 1420 cold-rolling sheet were investigated by means of tensile test and fractograph observation.
通过力学性能测试和断口形貌观察,研究了1420铝锂合金冷轧薄板的各向异性及其在时效过程中的演化规律。
39. The fractograph chemical composition and microstructure of the failed extinguisher nozzle were analyzed by SEM and energy spectrum.
通过扫描电镜、能谱仪等手段对失效的运五坛机灭火瓶管嘴断裂进行断口形貌、化学成分和金相组织分析。
40. Failure of cast aluminiuin alloy box was analysed by metallographic and fractographic analysis, and cast defect anti variation of cross section thickness were identified as main causes of failure.
通过金相及电镜断口分析，确定箱体失效系铸造缺陷和几何截面差过大所致。
41. The reason of roll fracture has been analyzed by means of chemical composition analysis,macro fractograph,low magnification structure and microstructure examination.
采用化学成分、宏观断口、低倍组织及金相组织等分析方法对轧辊断裂原因进行了分析。
42. Keywords Ti Ni alloy;surface preparation;mechanical properties;fractograph analysis;
钛镍合金;表面处理;力学性能;断口分析;
43. The steel trea-ted with this pruccss shows a fractograph with quasi-cleavage and dimple.
钢的断口为准解理十韧窝属于韧性断裂。
44. Keywords Tungsten alloy;Low temperatur plasticity;Fractograph;
钨合金;低温塑性;断口显微观察;
45. Keywords aluminum alloy;CCT specimen;random spectra;crack growth;fractograph analysis;
铝合金;CCT试样;随机谱;裂纹扩展;金相分析;
46. Study of Three - Dimensional Effect on Crack of CCT Aluminuml Alloy Specimens by Fractograph Analysis
铝合金CCT试样裂纹扩展三维尺寸效应金相分析
47. Keywords aluminum matrix composite;superplasticity;fractograph analysis;
铝基复合材料;超塑性;断口分析;
48. Keywords grey cast iron weld cracking;fractographic analysis;quasi cleavage;
铸铁焊缝;断口分析;准解理断裂;
49. And also the application of image processing technique on the fractographic quantitative analysis is interpreted.
阐 述了图象处理技术在断口定量分析上的应用。
50. Keywords SiC p/Fe;Ductile fractograph;SiC p surface plating;Interface binding;
韧性断口;颗粒表面涂覆;界面结合;
51. Keywords particulate reinforced;magnesium matrix composite;microstructure;mechanical property;fractograph;
颗粒增强;镁基复合材料;显微组织;力学性能;断口形貌;
52. Keywords high strength Al-Li alloy;furnace brazing;strength factor;fractograph;
高强铝锂合金;炉中钎焊;强度系数;断口形貌;
