1) prestretching
预拉伸方法
1.
The residual stress in 7050 aluminum plates due to quenching can be relieved by prestretching.
阐述了5MN铝板预拉伸机测控系统的总体设计方案,硬件的组成、软件设计方法;通过预拉伸方法,有效的消除7050超厚铝合金因淬火引起的残余应力。
2) pre-pull
预拉
3) pre-tension
预拉伸
1.
Numerical Simulation of Welding Residual Stresses and Distortions of Aluminum Alloy Cylinder under Pre-tension Stresses;
预拉伸条件下铝合金筒体焊接残余应力和变形的数值模拟
2.
The effect of pre-tension stress on the welding distortion of 5A05 aluminum alloy sheet was numerically simulated by applying finite element method based on the ANSYS software.
应用热弹塑性应力应变关系理论,在考虑材料性能参数随温度变化的条件下,运用大型ANSYS软件通过有限元法模拟分析了预拉伸应力对5A05铝合金板材焊接变形的影响。
3.
The temperature and stress fields,which appeared during welding of aluminum alloy sheet under different pre-tension stresses,are numerically simulated by using ANSYS finite element analysis software and programming with APDL language.
利用ANSYS有限元分析软件,通过APDL语言编程,实现了不同预拉伸应力条件下铝合金平板对接焊过程中,温度场及应力场的模拟分析。
4) prestretching
预拉伸
1.
The effects of prestretching before aging on the mechanical properties of high Cu/Mg ratio Al-Cu-Mg-Ag alloys at room temperature were investigated.
研究了时效前的预拉伸对高Cu/Mg比值的Al-Cu-Mg-Ag合金室温力学性能的影响。
2.
Combining with the productive practice, a prestretching structure is applied in this article to make the ballscrews work well at the time of temperature increment.
本文结合生产实践,采用一种预拉伸结构,使丝杆在温度升高的情况下满足了工作要求。
3.
The effect of prestretching on agehardening and tensile properties of Al5.
研究了时效前的预拉伸对耐热Al-5。
5) Pre-stretching
预拉伸
1.
With FEA based quenched stress, different stress distributions were obtained under different conditions of pre-stretching.
在获得淬火残余应力的基础上,模拟了不同预拉伸量对毛坯的淬火残余应力的消除。
2.
The effect of quenching temperature,the interval time from quenching to aging and aging institution to 2A70 aluminium alloy pre-stretching plate structure and properties are introduced.
介绍了固溶处理温度、淬火到时效间隔时间及时效制度等对 2A70铝合金预拉伸厚板组织和性能的影响 ;对其影响机理进行了分析和探讨 ;确定了 2A70铝合金预拉伸厚板的热处理工艺参数。
3.
The crack causes for pre-stretching plates of 7075 T651 alloy are analysed.
分析了7075-T651合金厚板预拉伸断裂的原因。
6) high prestress
高预拉力
参考词条
补充资料:似预聚物方法
分子式:
CAS号:
性质:一种制备聚氨酯泡沫塑料的方法。它介于预聚物法和一次法之间。其方法为:将多元醇(聚酯或聚醚)先与过量的二异氰酸盐反应,生成一个低黏度的预聚物,然后在催化剂存在下与更多的多元醇、乙二醇和其他组分反应,形成聚氨酯泡沫。本方法可用于生产软泡沫和硬泡沫。
CAS号:
性质:一种制备聚氨酯泡沫塑料的方法。它介于预聚物法和一次法之间。其方法为:将多元醇(聚酯或聚醚)先与过量的二异氰酸盐反应,生成一个低黏度的预聚物,然后在催化剂存在下与更多的多元醇、乙二醇和其他组分反应,形成聚氨酯泡沫。本方法可用于生产软泡沫和硬泡沫。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。