Thermal simulating the microstructure in weld heat affected zone of calcium microalloyed C-Mn steel and its effect on toughness;
热模拟微钙C-Mn钢焊接热影响区的组织及其对韧性的影响
Effect of EAF-VOD-VAR and VIM-VAR Metallurgical Process on Toughness of Ultra-high Strength Steel G50;
EAF-VOD-VAR和VIM-VAR冶炼工艺对G50超高强度钢韧性的影响
Effect of granular bainite in microstructure after welding on impact toughness for micro-calcium steel;
微钙钢焊后显微组织中的粒状贝氏体对韧性的影响
Melamine formaldehyde resin is a thermosetting polymer,spinnability and flexibility of fiber are poor.
三聚氰胺甲醛树脂是热固性高聚物,成纤性差,成纤纤维韧性差;通过苯代三聚氰胺、聚乙烯醇(PVA)对三聚氰胺树脂进行改性,提高了树脂溶液的可纺性,所制纤维的柔韧性得到了提高。
The results of the experiments show that the grain size of the carbon strips reduces with the decreasing of the thickness;the general mechanical properties and formability of the carbon strips are preferable;the flexibility of 5.
75mm厚SS40 0钢板的系列温度冲击实验发现,该钢板在-60℃时仍具有较好的韧性。
Study on The Quantitative Relationship Between The Forms of Carbides and The Tenacity of Abrasion Resisting High Chromium Cast Irons;
碳化物形态与高铬耐磨铸铁韧性间定量关系的研究
Various performance test results showed that the product possessed good toughness and tenacity,excellent thermal stability during storing and good road performance at high-low temperatures.
通过性质分析,产品的粘韧性和韧性优良,储存热稳定性强;SHRP试验及混合料检测结果表明,产品满足PG64-28的指标要求,具有良好的路用性能。
The steel wire was broken heavily and the tenacity of steel wire was worse with the general drawing process when manufacturing steel wire of high quality,qualified products proportion is low.
在生产高性能钢丝时,采用常规拉拔工艺时断丝严重,产品韧性较差,从而严重地制约着产品的合格率。
This material has the high impact toughness and hardness,the better capability of wearresistance and the lower cost.
该材料硬度和韧性均较高,抗磨性能好,成本低,是中、低冲击条件下高锰钢的理想替代材料。
Through testing by Japanese JXA-840 SEM,it is found that fiber frac ture,fiber pullout,fiber bridge,interface debonding,crack branching and veer mak e a great contribution to impact toughness increase of frictional materials.
利用日本JXA-840型扫描电子显微镜(SEM)对研制的新型摩擦制动材料冲击断口进行测试,结果表明纤维的断裂、纤维的拔出、纤维的桥接、界面脱粘及裂纹分叉、转向对提高摩阻材料的冲击韧性有极大的贡献,纤维对主裂纹的发展有阻碍作用,延缓了主裂纹的增长速度,在其他条件不变的情况下,纤维拔出的长度增加,吸收能量增大,材料的冲击强度也提高。
In this paper, the impact toughness of coarse grained zone in HAZ of 09CuPTiRe steel is investigated by means of thermal simulation technique.
采用热模拟技术研究０９ＣｕＰＴｉＲｅ钢的焊接ＨＡＺ粗晶区的韧性，表明手工电弧焊单层焊时，随着ｔ８／５的增加，焊接ＨＡＺ粗晶区的冲击韧性ＡＫＶ呈“山”形的曲线变化，当ｔ８／５≈２０～３０ｓ时可达最高值。
Study on the Ductility of Nano-structured ZrO_2 Coating by APS;
等离子喷涂纳米氧化锆涂层韧性研究
The effects of adding plasticizer,crosslinking agent and the blending process on the high-low temperature ductility,toughness and tenacity of asphalt were investigated.
考察了交联剂、增塑剂、制备工艺对沥青高低温性能、粘韧性、韧性的影响。
Approximately, there are three reasons as following, the pitiful impact ductility of elevator's material, the original defects and the decarbon layer of elevator's surface.
文章对一例斜坡吊卡活门断裂事故进行了调查,对该吊卡活门进行了裂纹、金相和材质分析,认为吊卡活门断裂是属于脆性断裂,吊卡活门材料的冲击韧性差以及其表面存在的原始缺陷和脱碳层是导致该吊卡活门断裂的主要原因。