1) very high cycle fatigue
超高周疲劳
1.
Research on the very high cycle fatigue behavior of GCr15 steel in different load frequency;
不同加载频率下GCr15钢超高周疲劳行为的研究
2.
This paper investigates very high cycle fatigue(VHCF) properties of high strength spring steel-50CrV4 with USF-2000 ultrasonic fatigue testing,and then fatigue fractographs are observed by Quanta600 scanning electron microscope(SEM).
该文用USF-2000超声疲劳实验机研究了50CrV4高强度弹簧钢的超高周疲劳性能,并用Quan-ta600扫描电子显微镜对疲劳断口形貌进行了观察。
2) ultrasonic fatigue
超高周疲劳
1.
Fatigue behavior of 304 stainless steel was studied with the ultrasonic fatigue testing,and with scanning electron examination of the fatigue crack fracture surface.
采用超声疲劳试验技术对304不锈钢超高周疲劳性能进行了研究,并用扫描电镜对疲劳断口进行了分析。
3) ultra-high cycle fatigue
超高周疲劳
1.
Failure Behavior of Ultra-high Cycle Fatigue of a 2 000 MPa Grade High Strength Steel;
2000 MPa高强度钢的超高周疲劳破坏行为
4) super high cycle fatigue
超高周疲劳
1.
Ultrasonic fatigue tests were carried out on Q235B base metal and welded joints by an ultrasonic fatigue test equipment in order to investigate their super high cycle fatigue properties.
用超声疲劳试验装置对Q235B母材及焊接接头试件进行超声疲劳试验,研究其在超高周疲劳寿命区间的疲劳性能。
5) very high cycle fatigue(VHCF)
超高周疲劳
1.
From the point of view of LEFM,this paper reveals that the applied stress amplitude,nonmetallic inclusion size r_0 and hydrogen concentration C_H in steel are the decisive factors in fatigue life Nf for super-high strength steel in very high cycle fatigue(VHCF)regime,in result their mathematical expression is obtained.
本文从线弹性断裂力学角度出发,得出外加疲劳应力幅、钢中的夹杂物尺寸及氢含量是影响超高强度钢在超高周疲劳条件下疲劳寿命的决定性因素,进而推导出了疲劳寿命 N_f 与钢中非金属夹杂物尺寸 r_0及钢中氢浓度 C_H 的定量关系。
2.
This paper investigated the very high cycle fatigue(VHCF)behavior of two low alloy steels.
本文研究了两种低合金钢超高周疲劳行为的基本特征和裂纹萌生机理。
6) very-high-cycle fatigue
超高周疲劳
1.
5%NaCl aqueous solution,respectively,to investigate the influence of environmental media on fatigue behaviors of the steel in high cycle and very-high-cycle fatigue regimes.
5%NaCl水溶液中进行旋转弯曲疲劳实验,研究环境介质对该结构钢高周和超高周疲劳特性的影响。
2.
The research on very-high-cycle fatigue(VHCF) of metallic materials has become a new horizon in the field of metal research since 1980s.
合金材料在超高周疲劳下具有与低周和高周疲劳不同的裂纹萌生和扩展行为以及不同的S-N曲线特征。
补充资料：高循环疲劳
分子式：
CAS号：
性质：当容器或构件，在使用期内，产生的应力循环次数超过105的疲劳问题称为高循环疲劳。而产生这类现象的原因往往是频繁的加压和卸压、过大过多的压力波动、悬殊的温度变化等。
CAS号：
性质：当容器或构件，在使用期内，产生的应力循环次数超过105的疲劳问题称为高循环疲劳。而产生这类现象的原因往往是频繁的加压和卸压、过大过多的压力波动、悬殊的温度变化等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条