宁静雨城
1、屈服强度:yield strength
英 [ji:ld streŋθ] 美 [jild strɛŋkθ]
屈变力,屈服强度,抗屈强度
The aim is to obtain a high yield strength, elastic limit and high toughness.
其目的是获得高的屈服强度,弹性极限和较高的韧性。
2、抗拉强度:tensile strength
英 [ˈtensəl streŋθ] 美 [ˈtɛnsəl strɛŋkθ]
n.抗张强度
Certain materials can be manufactured with a high tensile strength.
有些材料可以制造成抗拉强度大的产品。
屈服强度的判定
屈服前的第一峰值应力被判断为上屈服强度,而不管其后的峰值应力的大小。
在屈服阶段出现两个或多个最小应力,并且丢弃第一个最小应力。剩余最小值的最小值是较低的屈服强度。如果只有一个最小应力,则将其视为较低的屈服强度。
平台在屈服阶段,平台应力被确定为较低的屈服强度。如果出现多个平台且后者高于前者,则第一平台应力被视为较低的屈服强度。较低的屈服强度必须低于上屈服强度。
传统的强度设计方法,对于塑料材料,屈服强度是标准,允许应力[σ] =σys/ n,安全系数n一般为2或更大,脆性材料由拉伸强度决定。允许应力[σ] =σb/ n,安全系数n一般取6。
屈服强度不仅可以直接使用,而且是材料的一些机械性能和工艺性能的一般测量。例如,材料屈服强度增加,对应力腐蚀和氢脆敏感;材料屈服强度低,冷成型性能和焊接性能良好等。因此,屈服强度是材料性能不可或缺的指标。
旧在现在
强度 [词典] strength; intensity; magnitude; stringency; intension; [例句]语音是由不同频率和强度的声波组成的。Speech is made up of sound waves that vary in frequency and intensity.
南京葫芦娃
signal intensity/strenght 信号强度The signal intensity was estimated for on-line measurement X-ray pinhole camera with CCD as measurement equipment. 对用X射线CCD作测量设备的在线针孔相机信号强度进行了估计。The distance between a tag and a reader is computed based on received signal strength. 物体和读取器之间的距离根据接收信号的强度计算出来。
大有小没
你好,强度一词英语就是:intensity阳光的强度就是 the sunlight intensity还有类似的:apparent intensity 视在亮度; 视在强度average field intensity 电场强度平均值, 平均电场强度background radiation intensity 背景辐射强度band intensity 谱带强度beam intensity 电子注强度, 射束强度blast intensity 鼓风强度calorific intensity 量热强度capital intensity 资本强度, 资本集约度, 资本应用的密度cash intensity 现金密集度cavitation intensity 空泡强度, 涡空强度coercive intensity 矫顽磁力colour intensity 色度, 颜色强度, 色泽强度, 着色强度, 彩色亮度combustion intensity 燃烧强度compensation intensity 补偿强度cosmic ray intensity 宇宙线强度cracking intensity 裂化强度critical intensity 临界强度critical stress intensity 临界应力强度cropping intensity 作物密度cross-link intensity 交联强度current intensity 电流强度decomposition intensity 分解强度dielectric field intensity 介质场强diffracted intensity 衍射强度directional intensity 指向强度displacement current intensity 位移电流强度disruptive field intensity 击穿电场强度earthquake intensity 地震强度echo intensity 回波强度effective field intensity 有效场强electric intensity 电场强度electric current intensity 电流强度electric-field intensity 电场强度electromagnetic field intensity 电磁场强度electromotive intensity 电场强度electrostatic field intensity 静电场强度erosion intensity 侵蚀强度evaporation intensity 蒸发强度external light intensity 外部光强度field intensity 场强; 电场强度fire intensity 火烧强度(每单位面积和时间的火势)flame intensity 火焰强度flavour intensity 风味浓度, 香味强度force intensity 力(场)强度free space field intensity 自由空间电场强度frequency-azimuth intensity 频率方位强度frequency time intensity 频率时间强度fringe intensity 条纹强度, 干涉带亮度heating current intensity 加热电流强度heat-transfer intensity 传热强度high sound intensity 高声强(度)horizontal intensity 水平强度illumination intensity 照度, 发光强度image intensity 图象强度incident (field) intensity 入射场强index(ing) intensity 标记亮度infrared intensity 红外辐射强度insulating intensity 绝缘强度integrated intensity 累积强度; 积分强度, 整体强度integrated light intensity 积分光强度, 集束光强度jamming intensity 干扰强度knock intensity 爆震强度legal required field intensity 规定场强, 指定场强life intensity 生活强度; 生命力light intensity 光强度load intensity 荷载强度low light intensity 低光度, 低照度luminous intensity 发光强度, 照度luminous flux intensity 发光通量强度magnetic (field) intensity 磁场强度magnetization intensity 磁化强度mean hemispherical intensity 平均半球面亮度mean spherical intensity 平均球面光强度minimum required receiving field intensity 最低要求接收电场强度mixing intensity 混合强度, 混合效率; 搅拌强度most suitable field intensity 最适应的电场强度neutron(-flux) intensity 中子(通量)强度noise intensity 噪声强度noise equivalent intensity 噪声等效强度noise field intensity 噪声场强normal intensity 标准强度odor intensity 气味浓度omnidirectional intensity 全方向强度, 总强度oscillation intensity 振荡强度oxidizing intensity 氧化强度periodic intensity 周期性强度photocurrent versus light intensity 光电流对光强度的关系曲线, 照明特性pollution intensity 污染强度population intensity 种群强度precipitation intensity 降水强度pressure intensity 压强pump(ing) intensity 抽运强度radiant intensity 辐射强度radio field intensity 射频场强度, 射电场强度, 无线电场强radio-noise field intensity 无线电噪声场强, 射频干扰场强rain intensity 雨量强度rain-echo intensity 雨滴反射信号强度rainfall intensity 雨量强度reference sound intensity 基准声强relative intensity 相对强度relative scatter intensity 相对散射强度required field intensity 所需(电)场强(度)respiration intensity 呼吸强度respiratory intensity 呼吸强度runoff intensity 径流强度saturation intensity 饱和磁化强度scalar(field) intensity 标量(场)强度scattering intensity 散射强度screen intensity 屏幕亮度, 荧光屏亮度selection intensity 选择强度signal intensity 信号强度solar radiation intensity 太阳照射强度solar spectral intensity 太阳光谱强度sound intensity 声音强度specific combustion intensity 燃烧室热容强度; 燃烧负荷率spectral intensity 光谱强度, 频谱辐射强度spectral radiant intensity 光谱辐射强度spherical luminous intensity 球面光强(度)spot intensity 斑点亮度stress intensity 应力强度suction intensity 抽吸强度, 单位面积的吸气量tapping intensity 采脂度target-echo intensity 目标回波强度television receiving field intensity 电视接收(电)场强(度)textural intensity 音彩强度thinning intensity 疏伐强度threshold intensity 临阈强度, 临界强度threshold sound intensity 阈值声强, 极限声强tone intensity 彩色强度trace knock intensity 微弱爆震强度traffic intensity 话务强度, 业务量强度transmitted intensity 透射, 射线强度, 穿透强度turbulence intensity 紊流强度ultrasonic intensity 超声波强度underwater illumination intensity 水中照明度vertical intensity 垂直磁强, 垂直强度virgin intensity 原始强度visual intensity 可见(光)强度vortex intensity 旋涡强度, 涡流强度wave intensity 波的强度weak intensity 弱强度work intensity 劳动强度zero intensity 零强度, 零位强度intensity of activation 激(活)化强度intensity of breaking 拉(伸)应力, 断裂应力intensity of circulation 循环强度intensity of compression 压力强度intensity of draft 抽力强度intensity of exploitation 剥削程度intensity of flow 流强度intensity of gravity 重力强度intensity of growth 生长强度intensity of incident radiation 入射辐射强度intensity of labour 劳动强度intensity of light source 光源强度intensity of magnetic flux 磁通密度intensity of packing 填充物强度intensity of photosynthesis 光合(作用)强度intensity of polarization 极化强度intensity of roasting 焙烧强度, 燃烧强度intensity of standing wave 驻波强度intensity of tension 拉力强度, 抗拉强度intensity of traffic 运输强度, 行车强度intensity of training 训练强度intensity of vibration 振动强度这么这么多啊,希望可以对你有用哟~
evenmaosir
1、屈服强度:yield strength
英 [ji:ld streŋθ] 美 [jild strɛŋkθ]
屈变力,屈服强度,抗屈强度
The aim is to obtain a high yield strength, elastic limit and high toughness.
其目的是获得高的屈服强度,弹性极限和较高的韧性。
2、抗拉强度:tensile strength
英 [ˈtensəl streŋθ] 美 [ˈtɛnsəl strɛŋkθ]
n.抗张强度
Certain materials can be manufactured with a high tensile strength.
有些材料可以制造成抗拉强度大的产品。
屈服强度是金属材料发生屈服现象时的屈服极限,也就是抵抗微量塑性变形的应力。对于无明显屈服现象出现的金属材料,规定以产生0.2%残余变形的应力值作为其屈服极限,称为条件屈服极限或屈服强度。
大于屈服强度的外力作用,将会使零件永久失效,无法恢复。如低碳钢的屈服极限为207MPa,当大于此极限的外力作用之下,零件将会产生永久变形,小于这个的,零件还会恢复原来的样子。
抗拉强度是金属由均匀塑性形变向局部集中塑性变形过渡的临界值,也是金属在静拉伸条件下的最大承载能力。抗拉强度即表征材料最大均匀塑性变形的抗力,拉伸试样在承受最大拉应力之前,变形是均匀一致的,但超出之后,金属开始出现缩颈现象,即产生集中变形;
对于没有(或很小)均匀塑性变形的脆性材料,它反映了材料的断裂抗力。符号为Rm(GB/T 228-1987旧国标规定抗拉强度符号为σb),单位为MPa。