应变片钻孔法是工程中应用最广的残余应力测量方法之一。
Strain gage hole drilling method is one of the most popular residual stress measurement methods.
应变片钻孔法是工程中应用最广的残余应力测量方法之一。
Residual stress distribution of FSW has high gradient, which makes the conventional strain gauge hole drilling method unsuitable.
通过对淬火试件进行金相组织分析和残余应力测量,验证了数值模拟的可行性。
Through the microstructure analysis and residual stress measurement on a quenching test-piece, the feasibility of the numerical simulation is proved.
根据预拉伸铝合金厚板的特点,运用弹性力学理论推导出厚板内部残余应力测量的新方法。
According to the characteristics of the thick pre-stretched aluminum alloy plate, a new method of measuring the residual stresses in thick plate is deduced by the elastic mechanical theory.
通过热处理前后残余应力测量结果的对比可以看出,使用该设备不仅提高了热处理质量和工效,而且减少了环境污染。
Through measuring and comparing of the residual stresses be fore and after treatment, it is result in raising the quality and effect of treatment and reducing the environment pollution.
通过热处理前后残余应力测量结果的对比可以看出,使用该设备不仅提高了热处理质量和工效,而且减少了环境污染。
Through measuring and comparing of the residual stresses be fore and after treatment, it is result in raising the quality and effect of treatment and reducing the environment po…
但是在许多情况下,钻孔法是用于测量焊接残余应力,而该应力峰值往往接近材料的屈服极限。
But this method is used to determine welding residual stresses in many cases where the stress peaks are often near the material's yield strength.
采用数值分析方法对冲击压痕法测量残余应力的弹塑性变形过程进行了理论分析。
The indentation method of residue stress measurement depends on strain measurement around an indention caused by an impacting sphere.
本关系的获得使得采用刃具钻孔测量残余应力的精度有很大提高。
Theequation makes the measuring accuracy of residual stresses with hole-drilling method with cut-ting tools improved greatly.
测量材料微区残余应力的大小和分布,对于研究微观断裂机制具有非常重要的意义,一直是研究的热点和难点。
The measurement of the value and distribution for micro-residual stress in materials was crucial and difficult for micro-fracture theory.
介绍一种残余应力的测量新方法。
A new method of measuring residual stresses was introduced in this paper.
用该方法测量了7050T7451铝合金厚板内部残余应力,并对测试结果进了分析和比较。
The residual stress distribution in specimen of 7050T7451 plate is measured by using the method, and measurement results are analyzed and compared with data obtained by other methods.
解决了现有技术中降低、控制及测量残余应力的难题。
It solves the problems to reduce, control and measure residual stress in existing technology.
本文提出了一种转动结构用于铜合金冷轧板带残余应力检测以及面内形变的测量方法。
In present paper a new rotating-structure was introduced to detect local residual stress and in-plane deflection in thin cold-rolled sheet of copper alloy.
针对纤维增强复合材料的属性特点,应用坐标系转换原理推导出通孔法测量复合材料残余应力时的应力释放系数公式。
The relieved coefficients during the measurement of the residual stresses in the fiber reinforced composites by the hole drilling method were given with conversion of the two coordinate systems.
用应变片法测量了层板中铝层的残余应力;
The residual stresses were measured by means of strain gauges.
本文叙述了钻孔法测量残余应力过程中的附加应变。
For the process of residual stresses measurement, strains induced by drilling have been investigated.
以巴克·豪森噪声(BN)原理为基础测量曲轴热处理后残余应力。
Based on Barkhausen Noise (BN), heat treatment residual stresses of crankshafts were practically measured.
本文就冷胀孔周残余应力分布的测量技术和干涉螺接孔周干涉应力分布的测量技术进行了实验研究。
An experimental study was conducted to measure residual stress distribution around cold-expanded fastener holes and interference stress distribution near interference fit fastener holes.
文中针对铝合金预拉伸厚板的特点,提出了测量其内部残余应力的方法,并运用弹性力学理论进行了理论推导,得到了应力-应变关系矩阵。
The modified removal method for measuring residual stress in thick pre-stretched aluminum plates is proposed and the stress-strain relation matrix is deduced by elasticity theory.
本文采用有限无法对盲孔残余应力释放测量中所需的应力释放系数进行了计算。
In this paper the release coefficient of residual stress of blind holes is calculated by using finite element method.
用X射线应力测量仪分别测定了坦克履带销经滚压、喷丸和滚压加喷丸三种表面强化后的表面残余应力。
The surface residual stresses of tank track pins after being strengthened by means of rolling, shot peening or rolling plus shot peening were measured by X-ray stress measurer, respectively.
本文基于小孔释放法测量残余应力的方法,通过实验研究了交变载荷对焊接残余应力场产生的影响。
Based on the blind-hole method, series of experiments are carried out to analyze the effect of alternate loading to the redistribution of residual stress.
该方法为:测量工件内残余应力,并确定对工件进行振动时效处理时应施加的动应力水平;
The method comprises the following steps: residual stress in a workpiece is measured, and dynamic stress level applied during vibration stress relief for the workpiece is determined;
目前通过应变增量计算残余应力的方法仍然是通过事先试验标定,测量超强或低强匹配焊缝中的残余应力时采用的仍然是母材的标定系数,因而会带来严重误差。
The great error could be produced in measuring the residual stress in a weld with the use of calibration coefficient for the base metal instead of the weld metal.
钻孔法测量残余应力的范围是应力不超过材料屈服极限的一半。
The scope of the residual stresses determined by the hole drilling method should not exceed one half of the material's yield strength.
钻孔法测量残余应力的范围是应力不超过材料屈服极限的一半。
The scope of the residual stresses determined by the hole drilling method should not exceed one half of the material's yield strength.
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