延伸率

铝锂合金中铈与杂质含量对延伸率及再结晶的作用

Effect of the Contents of Cerium and Impurities on Percentage Elongation and Recrystallization in Al-Li Based Alloys

对提高铸造铝合金ZL（101）A延伸率的探讨

Inquiring into Raising Percentage Elongation of Casting Aluminum Alloy ZL_ ( 101 ) A

高速冲击拉伸条件下低硅TRIP钢的延伸率特性

Elongation properties of low Si HSLA TRIP Steel under dynamic tensile test

Ti加入后抗拉强度和延伸率均有提高；

Both the tensile strength and plasticity of alloy were improved when Ti was added in it .

化学抛光前后，对纯钛标准拉伸试件进行拉伸实验，结果为：两组试件的抗拉强度、屈服强度和延伸率的测试结果在统计学上无显著性差异（p＞0刀5）。

Compared control group with chemical polishing group , there was no significant difference in mechanical properties of castings , which includes tensile strength , yield strength and elongation rate .

同时能光滑尖锥状晶粒的峰尖，避免粗糙过度，但PEG过量会降低铜箔高温抗拉强度和延伸率。

But excess PEG will reduce the tensile strength and elongation of copper foil at high temperature .

光束钎焊对接接头的断裂强度σb、相对延伸率δ、断面收缩率ψ均低于被钎焊母材。

The breaking strength σ b , relative elongation δ and fracture surface shrinkage ψ of butt joint by light beam brazing are lower than those of brazed base material .

结果表明：Y、Zn元素提高了合金的屈服强度但降低了抗拉强度和延伸率。

The results show that the addition of Y and Zn improves YTS values but decreases the UTS and elongation values of as-cast alloys .

双级时效处理可提高合金的延伸率、电导率和抗应力腐蚀（SCC）性能。

The two-stage aging can improve elongation , conductivity and the resistance of stress corrosion cracking .

采用铁素体区润滑轧制和高温卷取，r值最高为1.38，延伸率达到50%以上。

With the sample workpieces lubricated during ferritic rolling and coiled at high temperature , the maximum plastic strain ratio of sample was 1.38 with elongation over 50 % .

在室温下冷轧Cu样品可得到延伸率超过5100%的超塑延展性，切冷轧过程中无加工硬化效应产生。

An extreme extensibility ( elongation exceeds 5 000 % ) without strain hardening effect was observed when the nc Cu specimen was rolled at room temperature .

其中，经过3～5次熔铸的合金在延伸率上反而显著高于经过1次熔铸的合金（P0.05）。

On the contrary , a significant increase was noticed on the elongation of the alloys being cast for 3 or 5 times ( P0.05 ) .

随着Zr含量的增加，提高了合金的高温抗拉强度和延伸率。

Both tensile strength and elongation of Mg-Nd-Zn alloys at elevated temperature were increased with the increasing of Zr addition .

复合材料的延伸率远远低于纯铝，随着SiC颗粒含量的增加，复合材料的延伸率降低。

The tensile rates of composites are lower than aluminum , along with the increase of SiC particles content , the tensile rates of composites reduce .

随正火温度的升高，A组和B组耐火钢的抗拉强度和屈服强度均有所降低，延伸率升高，在800℃正火综合力学性能最好。

With the increase of normalizing temperature , tensile strength and yield strength of A and B series FR steels decrease , but elongation increases , mechanical properties under normalizing temperature is 800 ℃ are the best .

加入适量添加剂Mg和稀土CeO2使原位TiC／Al，TiC／Al-Si复合材料的硬武汉科技人学硕1：论义度、咐磨性、抗拉强度、延伸率得到很大的提高。

Proper additive Mg and rare earth can improve the hardness , wear-resisting property tensile-strength , elongation percentage of TiC / Al , TiC / Al-Si composite .

结果表明，真空处理合金的室温拉伸强度和延伸率大幅度增加，K（IC）和K（Id）随之提高。

The results show that the K_ ( IC ) and K_ ( Id ) of vacuum heat-treated alloys are increased with the increase of tensile strength and elongation at ambient temperature .

合金的断裂延伸率随Si添加量的增加而下降，而A1合金相比基体合金断裂延伸率有了一定的提高。

The fracture elongation of alloys decreased with the Si contents increasing . While compared to matrix , the fracture elongation of A1 alloy had a certain increase .

而对于挤压态AZ61镁合金，稀土Ce和Nd的最佳含量均为0.5wt%，此时其高温强度和延伸率达到最高值；

For extruded alloys , with the content of 0.5 % Ce and Nd separately , they have the maximal high-temperature strength and elongation ;

结果表明，Ti对晶粒的细化可以大幅提高试验合金的抗拉强度、延伸率和断裂韧性，但对合金的屈服强度影响不大。

The results showed that the grain refining by the trace amounts of titanium could improve the tensile stress , percentage elongation and fracture toughness , but had little influence on their yield stress .

显著降低T7钢丝的拉拔力，提高抗拉强度，并使其延伸率稍微增加；

Debase drawing force of T7 steel wire obviously and increase tensile strength , and increase specific elongation slightly ;

1000℃下8h等温处理后材料的延伸率提高的较为明显，而强度略有增加。

After annealing at1000 ℃, the elongation of the materials was improved obviously , and the strength increased slightly . 3 .

冷加工拉伸25%的800M合金管的晶粒变形拉长，屈服强度和抗拉强度增大而延伸率降低，管的残余应力增加，SCC敏感性增加。

Cold work led to lengthening of grains , decrease in ductility , increase in strength , residential stress and susceptibility to SCC .

实验证明，晶须表面涂覆Al2O3后，复合材料的拉伸性能有了明显提高。经过热挤压后，与铸态复合材料相比，延伸率和抗拉强度也有了明显提升。

Experiments show that the tensile properties of composite have been improved significantly by coating Al2O3.After hot extrusion , the elongation and tensile strength of the composite has been improved .

提高SPCC冷轧板断后延伸率的研究

Study on Improving the Elongation of SPCC Cold Rolled Plate

随Mn含量的增加，合金170℃时效硬化速度逐渐加快，峰值时效时间提前，但合金的延伸率随Mn含量的增加而逐渐降低；

The hardening effect of the aged alloy is accelerated at 170 ℃ and the time to peak-aged is reduced , but the plasticity of the alloy gradually decreases with the increases of Mn content .

对高致密Al2O3/Al纳米复合材料的拉伸实验表明：其屈服强度σ0.2和断裂强度σb分别为粗晶Al的12-16倍和5-6倍，延伸率δ比同质冷轧粗品Al约高28%。

The results of tensile test on the Al2O3 / Al nano-composite show a high yield strength of 0.2 and a high breaking strength of b , which are 12-16 times and 5-6 times that of annealed coarse-grained Al , respectively .

结果表明：SC-CO2的加入使PPO共混体系的冲击强度提高，共混体系的拉伸强度和延伸率降低。

The results show that adding SC-CO2 makes the PPO blends impact strength increase , tensile strength of blends decrease and elongation decrease .

随着RE加入量的增加，合金的抗拉强度和延伸率得以提高，当RE含量为0.15%时，相对于未加RE时的情况，σb和δ分别增加了14%和23.5%。

With the increase of RE master alloy , the tensile strength and elongation increase . With addition of 0.15 % RE to the melt , the tensile strength and elongation increase by 14 % and 23.5 % respectively , compared to the case without RE .

另外，β-Co→αCo相变导致的附加体积收缩伴随着相交点附近钻的延伸率的导常增高，从而有效地改善了胎体对金刚石的机械镶嵌强度。

In addition , an extra contraction resulting from the transformation of 3-Co → - α - Co combined with an anomalous rise in elongation of cobalt at the temperature close to the phase transition will effectively improve the embedding strength .