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yield strength相关的网络例句

查询词典 yield strength

与 yield strength 相关的网络例句 [注:此内容来源于网络,仅供参考]

Keywords spring steel 60Si2Mn;decarburized layer;yield strength;X-ray stress analysis;micro- hardness

弹簧钢;脱碳层;屈服强度; X射线应用分析;显微硬度

But for the TEC overmatching, the residual stress σ〓 in the weld center is also related with the strain hardening coefficient H W of the weld metal. The residual stress σ〓 in the weld center got to the yield strength σ〓 increases little when the H'w is lower and somewhat exceeds the σ〓 when the H'w is higher.

而高胀匹配时的焊缝中心纵向残余应力σ〓还与焊缝金属应变硬化指数H〓有关,H〓较低时,焊缝中心纵向残余应力σ〓在达到焊缝金属屈服强度σ〓后不再升高;H〓较高时,焊缝中心纵向残余应力σ〓可超过焊缝金属屈服强度σ〓。

The increase of yield strength of IA alloy uprises to 13-17 kgf/mm~2, or the relative increment of 20-25%, provided by furnace cooling instead of air cooling.

如IA合金屈服强度提高13-17kgf/mm~2,相对强度提高20-25%,且有改变晶界状态消除缺口敏感的作用。

Silicon alloy of silicon is also a good agent, in steel by adding an appropriate amount of silicon can increase the steel yield strength, flexibility and acid-fast performance; if the content is too high, then reduce the plasticity and toughness.

3硅硅也是一种较好的合金剂,在钢中加入适量的硅能提高钢的屈服强度、弹性及抗酸性能;若含量过高,则降低塑性和韧性。

The results show that BS 460MPa grade reinforced bar can be produced all from Q235 or 20MnSi billet by the remained heat treatment process but the production cost of the former is lower. When the water pressure minishes, the intensities of reinforced bar reduce; the higher the temperature at the entrance of cooling bed is, the lower the intensities are. Therefore, the commendatory process parameters are that five stages coolers should be opened, water pressure should be all 1.8~2.0MPa and the temperature at the entrance of cooling bed of Q235 reinforced bar should lower than 650℃. The typical microstructure(Q235): the surface layer is tempered sorbite; the transition layer is pearlite and ferrite, and the partial ferrite is acicular; the core is pearlite and ferrite and the grain fineness is 8~10 grade. The yield strength is reduced by 10~20MPa after natural ageing and it can be simulated by artificial ageing(100℃×2h or 200℃×1h).

结果表明,Q235和20MnSi钢都可以利用余热处理工艺生产出性能合格的钢筋,但前者的生产成本较低;水压减小,钢筋强度降低,上冷床温度越高,强度越低,推荐5段水冷器全开,水压均为1.8~2.0MPa,Q235钢筋的上冷床温度应控制在650℃以下;钢筋典型的金相组织(Q235)表层为回火索氏体,过渡层为珠光体+铁素体且部分铁素体呈针状,心部为珠光体+铁素体,晶粒度8~10级;自然时效后屈服强度下降10~20MPa,用人工时效可以模拟自然时效,工艺是100℃×2h或200℃×1h。

The results show that, the coefficients of welded joints are both greater than 0.9, but the yield strength of weld joint filled with Al-Mg-Zr-Sc welding wire is greater 100 MPa than that of filled with Al-Mg-Zr welding wire. It indicates that the Al-Mg-Zr-Sc welding wire is the best alteration of filling materials to weld of Al-Mg-Sc alloy.

但采用Al-Mg-Zr-Sc合金焊丝为填充材料时,焊缝晶粒组织明显细化,熔合区形成的细小等轴晶层提高了基材与焊缝填充材料的结合力,焊接接头的屈服强度比采用Al-Mg-Zr合金焊丝为填充材料时提高了100 MPa,显著提高了Al-Mg-Sc合金焊接构件的许用强度,因此焊接Al-Mg-Sc板材更宜采用Al-Mg-Sc-Zr焊丝。

Key Words:line pipe;yield strength;hydrostatic testing method;FEM

主题词:管线钢管;屈服强度;静水压试验;有限元计算

Variation of yield strength with shock pressure of foil like manganin gauge s can be determined by analyzing their dynamic calibration curve.

本文通过平板撞击实验得到了箔式锰铜计在 1.5~ 9.0GPa范围下的动态屈服强度,与国外数据比较,结果较为吻合。

The variations of longitudinal stress, transverse stress and yield strength of oxygen-free high conductivity copper with time under planar shock loading are obtained using the manganin stress gauges and compared with the predicted results by the constructed seven constitutive models.

采用所构建的七种本构模型对于高导无氧铜的平面冲击波试验进行了数值模拟并与实验结果比较。

The numerical results of yield strength, based on considering the lamellar microstructure and the deformation mechanisms such as ordinary slip systems and true twinnings in PST crystals composed of and phase, is obtained by using calculating of resolved shear stresses in all slip systems based on micromechanical method.

基于PST晶体的微结构和相及2相普通位错和孪晶滑移启动,结合细观力学方法,通过数值模拟两相中的各滑移系上的分切应力,得出PST晶体屈服应力和外加载荷与片层之间夹角的关系。

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