In this article, the morphological structures of Izod impact fractured surfaces of several gun propellants are studied.
本文还就如何改善硝胺和硝基胍发射药的冲击断裂性能提出了一些建议。
The effect of solution and tempering temperature on the Charpy V impact energy AKV and HRC of ultra-high strength steel 23Co14Ni12Cr3Mo was studied,impact fracture surfaces were observed by SEM,and the undissolved carbide was analyzed by TEM.
研究了不同固溶及回火温度对高Co-Ni超高强度钢23Co14Ni12Cr3Mo的Charpy V型缺口试样冲击功AKV和硬度HRC的影响,并用扫描电镜观察分析不同处理状态下的冲击断口形貌,用透射电镜对未溶碳化物进行了分析。
In each stage,the impact energy was tested at different temperature,and then the metallurgical structure,leaf metal,replica carbon film and impact fracture were detected by using optical microscope,TEM and SEM.
在各个阶段的研究过程中,首先测定其不同温度下的冲击吸收功,并利用光学显微镜、透射电镜(TEM)、扫描电镜(SEM)对某些试样的金相组织、金属薄片和萃取复型碳膜、冲击断口进行观察研究。
The effects of solidification in water glass sand and stainless steel mold on microstructure,mechanical properties and impact fracture of Fe-28Al-5Cr-0.
结果表明:采用不锈钢金属型冷却,可以细化合金的铸态组织;在其他工艺相同的条件下,合金的抗拉强度提高了29MPa,硬度有所增加,伸长率稍有下降;合金的冲击断口由沿晶断裂向沿晶+穿晶混合型断裂转变。
Impact Fracture Curve and Fractured Surface Morphology of PA 6/POE Blends
PA 6/POE冲击断裂曲线及断面形貌
SHORT-TERM HIGH-TEMPERATURE THERMAL SHOCK FRACTURE OF 12 CrlMoVg STEEL AND FINITE ELEMENT ANALYSIS THEREOF
12Cr1MoVg短期高温冲击断裂有限元分析
Study on the notched impact fractured mechanism of PA6/POE-g-MAH blends
PA6/POE-g-MAH共混体系缺口冲击断裂机理研究
Influence of the Microstructure of the Rubber Particles on the Properties and Alterable Falling Dart Impact Fracture Mechanism of HIPS
HIPS性能与橡胶粒子结构的关联及落锤冲击断裂的增韧机理
Investigation on the correlation between fracture toughness and impact energy for middle strength steel;
中强钢断裂韧性和冲击功关系的研究
Failure analysis of the flail knife in the impact crusher for aluminum scraps
铝屑冲击破碎机甩刀断裂的失效分析
The fracture of K1 c and impact specimens were observed by SEM.
通过扫描电镜观察了断裂韧性和冲击试样断口。
The Impact Effect of Partial Fracture in Steel Frame Connections and the Dynamic Behavior of the Whole Structure after Fracture;
钢框架节点局部断裂的冲击作用及断裂后整体结构的动力性能
On the Mechanism of the Dynamic Fracture Processes of Rock under Impulse Loading;
冲击载荷作用下岩石动态断裂过程机理研究
Study on Metallic Jets Formation, Fragmentation and Particle Size Distribution under Shock-loaded Condition;
金属冲击射流形成、断裂和颗粒化分布研究
THE INITUTION AND PROPAGATION OF THE VIBRATION FATIGUE CRACK IN SINTERED STEEL UNDER REPEATED IMPACT LOAD
多次冲击载荷下粉末冶金热锻钢的振动疲劳裂纹萌生、扩展与断裂
The fracture features of Charpy impact test specimens of welded metal are also analyzed.
文中还对焊缝夏比冲击试样的断裂特性进行了探讨。
A Charpy test is usually much less expensive to perform than a fracture toughness characterization experiment.
夏比（冲击）试验通常要比断裂韧性试验的费用低得多。
Study on Chaos and Bifurcation Characteristics of Instability and Fracture of Rocks and Rock-bursts;
岩石断裂失稳破坏与冲击地压的分叉和混沌特征研究
Study on Fracture Behavior of Magnesium Alloy and Its Welded Joint under Impact Load;
冲击载荷作用下镁合金及其焊接接头断裂行为研究
Prediction Between Instrumented Impact Test and Three-Point Bending Fracture Toughness Using Local Approach;
基于局部法示波冲击与三点弯曲断裂韧性相互预测
Analysis of the relationship between impact toughness and fracture toughness for rail steel
低温下铁道钢轨钢材冲击韧性与断裂韧性的关系分析
number of repeated impact to breaking
导致破断重复冲击次数