冲击韧性

几种中低强度钢δc的转变温度及其与冲击韧性的相关性研究

A study on the correlation of transition temperature of COD with impact toughness for some types of low and medium strength steels

本文对提高Si－Mn－Mo系铸造高强度贝氏体钢冲击韧性的途径进行了探讨。

An improvement of impact toughness in Si-Mn-Mo alloy system high-strength cast Bainitic steels was investigated .

优化工艺改善H型钢的横向冲击韧性的研究

Optimization of process parameter for improving low temperature transverse toughness of H beam steel

实验结果表明，冲击韧性αK的对数值随分形维数DF增加成单调上升的直线关系。

Experimental results show that the logarithms of impact tough-ness increase monotonically with the increase of fractal dimension .

在本实验条件下，冲击韧性取各区韧性的平均值，而COD取各区韧性的最低值。

The results show that there are no general correlation between the impact toughness and the COD .

其中，Nb、V复合加入在提高铸钢强度的同时，塑性和低温冲击韧性下降较少。

Adding compound Nb , V can enhance the strength of steel , while plastic and low-temperature impact toughness descend smally .

在硼含量对冲击韧性的影响方面，研究了硼化物的析出与αk值的关系。

For the aspect of the boron effect on the impact toughness , the relation between the rule of boride appearance and α k would be impaired .

针对评价中所需要材料的性能数据，对材料做性能测试，测定出材料的拉伸性能、夏比冲击韧性和断裂韧性（COD值）。

Such performances of material as tensile strength , yield strength , Charpy energy and COD fracture toughness are tested in experiment .

采用搅熔复合及半固态模锻法，研究了石墨颗粒增强Al基复合材料的制备工艺，并对石墨－Al基复合材料的强度、冲击韧性和耐磨性进行了试验研究。

The manufacturing process , strength , impact toughness and wear resistance of Al matrix composites reinforced with graphite are studied through melt stirring composing and semisolid die forging .

ERW钢管焊缝冲击韧性影响要素分析

Effecting Factor Analysis to Welded Seam Impacting Toughness of ERW Welded Pipe

浅析20g时效冲击韧性偏低原因

Reason Analyses of Ageing Impact Toughness on the Low Side of 20g Plate

热处理对CuCr合金硬度和冲击韧性的影响

Effect of Heat Treatment on Hardness and Impact Toughness of CuCr Alloy

ERW管冲击韧性、断裂韧度和裂纹张开位移的试验研究

The Experimental Study on Impacting Toughness Fracture Toughness and Crack Opening Displacement of ERW Pipe

考察了埋弧焊材中含少量碳（w（C）<0.05%）对10CrNiCuA钢熔敷金属冲击韧性的影响。

Effect of trace carbon ( w ( C ) < 0.05 % ) in submerged - arc welding materials on the impact toughness of ultralow carbon hull steel deposited metal has been investigated .

随回火温度的提高，复相钢的冲击韧性（AK）值在300℃达到峰值，400℃时为低谷。

A K of complex phase steel reaches its peak number when the temper temperature is 300 ℃;

端恶唑啉聚醚／烷氧焦磷酸酯型钛酸酯复合处理CaCO3改善聚烯烃冲击韧性研究

Study on Improving of Impact Toughness of Polyolefines with CaCO_3 Surface-treated by Oxazoline-terminated / Alkoxy Pyrophosphate Titanate Combination

采用正交试验和极差、方差分析法，研究了Si、Mn、B对球铁的硬度、冲击韧性的影响。

The influence on hardness and impact toughness of ductile irons was studied by elements Si , Mn and B , using the method of orthogonal experiment , and analysis of range and variance .

低温均匀化退火态的组织仍为β′、α、γ2、K，该铝青铜低温退火下仍表现为强度、硬度高，冲击韧性有明显下降的趋势。

In low temperature homogeneous annealing , microstructure of multi-aluminum bronze are same to it 's as-cast , and the alloy still possesses high strength , high hardness , but toughness has evidently declined trend .

探讨大电流MAG焊焊缝金属的冲击韧性.对在4种不同工艺条件下运用大电流MAG焊得到的焊缝金属进行低温冲击试验。

Impact tests of four kinds of weld metals with high current MAG welding were carried out at low temperature .

模拟热循环的峰温高于Ac3时，随着峰温的提高，奥氏体晶粒明显长大，马氏体板条尺寸也相应增大，因此冲击韧性相应下降。

As the peak temperature of thermal simulation , which was higher than Ac3 , increased , the prior austenite grain size and the martensite lath size increased , and consequently the impact toughness depressed .

由于本课题采用了目前防弹防护领域比较流行的超高分子质量聚乙烯（UHMWPE）纤维，而UHMWPE纤维复合材料的冲击韧性很好，冲击吸收能量是各类化学纤维中最高的；

The fiber material used in this study was Ultra High Molecular Weight Polyethylene ( UHMWPE ), the most popular in the protection field .

而在Nb微合金化的基础上，通过控制轧制，则可以大幅度降低脆转温度，实现强度和冲击韧性的同步提高。

On the basis of Nb microalloying , the brittle-ductile transition temperature may be greatly decreased to simultaneously improve strength and impact toughness by means of controll rolling .

MBS质量含量达15%时，MBS/PC共混物冲击韧性可为PC的30倍，达到399J/m。

When the content of MBS reached to 15 % , the impact strength of PC / MBS blends was 399J / m , 30 times higher than that of PC.

结果表明，经此处理后，GCr15钢的冲击韧性明显提高。

The impact toughness of the steel is obviously improved .

文章通过金相、X射线衍射（XRD）、扫描电镜（SEM/EDS）及透射电镜（TEM）和力学性能分析方法研究不同热处理工艺对含多元合金元素铜合金硬度和冲击韧性的影响。

The effect of heat treatment on hardness and impact toughness of polynary Copper alloy has been studied by means of metallographic , XRD , SEM / EDS , TEM and mechanical property test .

通过对测试结果的分析，作者对落锤法测定PDC抗冲击韧性的各种影响因素归纳出三点看法。

Three viewpoints concerned about various influencing factors of measuring impact toughness of PDC with dropping hammer method were summarized by analysis of the testing result .

对采用Ni－Cr－Co－B钎料和BNi－la钎料钎焊的K3合金接头室温冲击韧性进行了对比评定。

Moreover , the notch toughness of the joints brazed with Ni-Cr-Co-B filler metals and BNi-1a are evaluated .

碳纤维增强HA环氧复合材料的冲击韧性高于碳纤维增强环氧复合材料，而弯曲强度和弯曲模量低于碳纤维增强环氧复合材料。

The impact toughness of the carbon fiber reinforced HA / epoxy composite was higher while the flexural strength and modulus were lower than the corresponding values of carbon fiber reinforced epoxy composite .

提高492Q球铁曲轴的冲击韧性

Increasing of Impact Toughness of 492Q Model Nodular Iron Crankshaft

09MnNb钢是一种综合性能良好的船体结构用钢，但其冲击韧性不稳定直接影响着产品质量和质量升级。

Mn Nb steel is a ship plate steel with excellent complex properties . Because it has non stationary impact toughness the product quality and quality escalation are directly influenced .