On the basis of experimental results of the four kinds of HSLA steels 15MnVN, 921A, 14MnMoNbB and 18MnMoNb, the artificial neural network method is used to establish the model of welding HAZ toughness factor.
本文将焊接热影响区的冲击韧性值做为韧性因子的内容,采用人工神经网络方法,以15MnVN,921A,14MnMoNbB和18MnMoNb4种低合金高强钢的冲击韧性值为依据,建立了焊接热影响区韧性因子的人工神经网络模型。
The stress-strain curves under different strain rates and toughness index were obtained,and dynamic compressive strength were compared with static compressive strength.
采用分离式Hopkinson压杆,对直径为70 mm的橡胶粉混凝土圆柱体试件进行了动力抗压性能试验,得到了不同应变率下混凝土的应力应变曲线和韧性指数,并与静态抗压强度进行了对比。
According to the standard measures of JCI and ASTM C1018-97,the toughness index was calculated separately.
通过4点弯曲试验,得到了低掺量聚丙烯纤维半刚性基层与不掺纤维的普通基层材料的荷载-挠度曲线,并据此分析了各类基层材料的弯曲强度、变形性能;按照日本砼协会(JCI)标准方法和美国材料与试验协会(ASTMC1018—97)标准方法,分别计算得到了聚丙烯纤维半刚性基层材料与普通基层材料的韧性指数。
The flexural toughness indexes increased with fiber con.
为探讨钢纤维掺量对钢纤维混凝土弯曲韧性的影响,按照美国材料与试验协会(ASTM)定义的弯曲韧性指数试验方法,测试了钢纤维混凝土的挠度、初裂强度和抗压强度,计算了钢纤维不同掺量下混凝土的弯曲韧性指数值。
EXPERIMENTAL TEST ON THE FLEXURALTOUGHNESS INDEX OF THE CONCRETE BEAMS REINFORCED BY FIBER GRIDGEO FABRICS;
编织纤维格栅增强混凝土梁弯曲韧性指数的试验研究
of a consistency requiring chewing.
指需要咀嚼的坚韧性。
(of beans,etc)having a strip of tough fibre
(指豆荚等)有韧性纤维的,有筋的.
Parametric analysis of enhancement of Z-pins on asymmetric delamination of Z-pinned laminated composites--Mode Ⅱ delamination toughness
Z-pins对层合复合材料非对称分层增韧作用参数分析——Ⅱ型层间韧性
Parametric analysis of enhancement of Z-pins on asymmetric delamination of Z-pinned laminated composites--Mode Ⅰ delamination toughness
Z-pins对层合复合材料非对称分层增韧作用参数分析——Ⅰ型层间韧性
indicative planning figure
指示性规划数字(指规数)
Numerical Simulation on Ductile Farcture Considering Micro-Plastic Damage;
考虑材料微观塑性损伤的韧性断裂数值模拟
Numerical study on the mode Ⅰ fracture toughness of Z-pin reinforced laminates
Z-pin增强复合材料Ⅰ型断裂韧性数值分析
Effect of processing parameters on strength and toughness of high-strength steel
工艺参数对高强度钢强度及韧性的影响
strong woody fibers obtained especially from the phloem of from various plants.
尤指来自植物韧皮的坚韧的木质纤维。
Meanwhile the optimal welding parameter which was suitable for welding line impact toughness was gained by analysis on the test result of impact toughness and microstructure.
通过对冲击韧性的测试结果与微观组织的分析,确定出使焊缝冲击韧性最佳的焊接工艺参数。
notch ductile steel
耐冲击钢, 韧性钢
flexibility [asbestos fibre]
柔韧性〔石棉纤维〕
(of books) having a flexible binding.
(指书)有柔韧的封面。
Biomechanical Evaluation of the Complex of Bone-capsule-collateral Holding the Stability of 2nd MCP Joint;
手第二掌指关节骨—关节囊—侧副韧带复合体稳定性生物力学研究
As most metals are malleable and ductile they can be beaten into plates and drawn into wire.
由于大多数金属具有韧性和延展性,所以可以压成薄板和细丝.
Plastic Damage of Mylonite Parent Rock and the Numerical Simulation of Porous Media Brittle Crush;
糜棱岩原岩韧性孔洞损伤和多孔介质脆性破碎过程数值模拟
liquidity index
液性[液化, 流性]指数