scholarly journals Effect of Cryogenic Temperature on Low-Cycle Fatigue Behavior of AISI 304L Welded Joint

Metals ◽  
2018 ◽  
Vol 8 (9) ◽  
pp. 657 ◽  
Author(s):  
Dongjin Oh ◽  
Sangwoo Song ◽  
Namkyu Kim ◽  
Myunghyun Kim
Keyword(s):  
Experimental Study ◽  
Cryogenic Temperature ◽  
Welded Joint ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Strain Ratio ◽  
Thickness Effect ◽  
Specimen Thickness ◽  
Cycle Fatigue ◽  
Aisi 304L

The aim of this study is to investigate the low-cycle fatigue (LCF) properties of an AISI 304L welded joint based on experimental data. The influential parameters on the LCF such as the specimen thickness, strain ratio and cryogenic temperature were considered in this experimental study. In order to investigate the thickness effect on the LCF behavior, two types of specimens with thicknesses of 5 mm and 10 mm were used in an LCF test. In addition, the fatigue tests were conducted under strain control with three different strain ratios of R = −1, 0, and 0.5 at room and cryogenic temperatures. Based on the results obtained by this experimental study, no significant effect involved with the thickness and the strain ratio were observed. However, it was clearly observed that LCF performance at room temperature is lower than that at cryogenic temperature. Finally, an LCF design curve that can be used in design of the liquefied natural gas (LNG) applications is suggested.

Effects of weld geometry and HAZ property on low-cycle fatigue behavior of welded joint

2021 ◽  
pp. 106683
Author(s):  
Seiichiro Tsutsumi ◽  
Riccardo Fincato ◽  
Pengjun Luo ◽  
Moe Sano ◽  
Toshihiro Umeda ◽  
...  
Keyword(s):  
Welded Joint ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Cycle Fatigue ◽  
Weld Geometry

Role of butter layer in low-cycle fatigue behavior of modified 9Cr and CrMoV dissimilar rotor welded joint

2014 ◽  
Vol 59 ◽  
pp. 165-175 ◽  
Author(s):  
Qingjun Wu ◽  
Fenggui Lu ◽  
Haichao Cui ◽  
Xia Liu ◽  
Peng Wang ◽  
...  
Keyword(s):  
Welded Joint ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Cycle Fatigue

scholarly journals Low cycle fatigue behavior of dissimilar metal electron beam welded joint at elevated temperature.

1987 ◽  
Vol 36 (402) ◽  
pp. 280-285
Author(s):  
Masakazu OKAZAKI ◽  
Yoshiharu MUTOH ◽  
Masayoshi TABATA ◽  
Kouichi HATAKEYAMA ◽  
Yoshiyasu ITOH
Keyword(s):  
Electron Beam ◽  
Elevated Temperature ◽  
Welded Joint ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Cycle Fatigue ◽  
Dissimilar Metal ◽  
Metal Electron

Low cycle fatigue behavior of electron beam welded joint of CLAM steel at room temperature

2019 ◽  
Vol 149 ◽  
pp. 111297
Author(s):  
Kaixuan Cui ◽  
Yanyun Zhao ◽  
Yutao Zhai ◽  
Bo Huang ◽  
Chunjing Li
Keyword(s):  
Electron Beam ◽  
Room Temperature ◽  
Welded Joint ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Cycle Fatigue ◽  
Clam Steel

Experimental Study of Viscoelastic Dampers under Large Deformation

2012 ◽  
Vol 166-169 ◽  
pp. 2226-2233 ◽  
Author(s):  
Gang Zhao ◽  
Peng Pan ◽  
Jia Ru Qian ◽  
Jin Song Lin
Keyword(s):  
Mechanical Properties ◽  
Experimental Study ◽  
Energy Dissipation ◽  
Low Cycle Fatigue ◽  
Loss Modulus ◽  
Fatigue Behavior ◽  
Fatigue Tests ◽  
Small Displacement ◽  
Loading Frequency ◽  
Cycle Fatigue

The paper presents an experimental study on a new type viscoelastic damper, which is expected to have better energy dissipation capability. Tests on the dampers’ mechanical properties, including shear storage modulus, shear loss modulus, and loss factor, were conducted using reduced scale specimens, and took strain amplitude, loading frequency and ambient temperature as test parameters. Aging tests, low cycle and high cycle fatigue tests were also conducted. Particularly, the low cycle fatigue behavior under a strain of 300% and the basic mechanical behavior under strains of 300%-420% were investigated. Test results suggest that the dependency of the mechanical properties on frequency and temperature is small, the energy dissipation capacity is stable for both large and small displacement, and the damper reaches a strain of 420% without failure.

scholarly journals Pulsating Stress Controlled Low Cycle Fatigue Behavior of Ti-6Al-4V Alloy at Cryogenic Temperature.

1999 ◽  
Vol 65 (633) ◽  
pp. 1093-1098
Author(s):  
Koichi KASABA ◽  
Kazumune KATAGIRI ◽  
Kazutaka TAKEDA ◽  
Tadashi SATO ◽  
Yoshitaka SHOJI
Keyword(s):  
Cryogenic Temperature ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Cycle Fatigue

Strain Ratio Effects on Low-Cycle Fatigue Behavior of Gravity Cast Al-Si-Cu Alloys

2015 ◽  
Vol 24 (10) ◽  
pp. 3942-3950 ◽  
Author(s):  
K. L. Fan ◽  
X. S. Liu ◽  
G. Q. He ◽  
H. Cheng ◽  
S. Q. Lv
Keyword(s):  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Strain Ratio ◽  
Cycle Fatigue ◽  
Cu Alloys ◽  
Gravity Cast

scholarly journals Low-cycle fatigue behavior of extruded Al-7Zn-2Mg-1.5Cu-0.2Sc-0.1Zr alloy at room and low temperatures

2018 ◽  
Vol 165 ◽  
pp. 22001
Author(s):  
Zhu Qingyan ◽  
Chen Lijia ◽  
Xu Chengji ◽  
Che Xin ◽  
Li Feng
Keyword(s):  
Low Temperature ◽  
Strain Amplitude ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Aging Treatment ◽  
Cyclic Hardening ◽  
Strain Ratio ◽  
Plastic Strain Amplitude ◽  
Total Strain ◽  
Cycle Fatigue

Due to the low density and high specific strength, aluminum alloys have been considered for automotive and aerospace applications. The aluminum components usually service in the conditions of low temperature and dynamic loading. Therefore, the research on the low temperature fatigue performances of Al alloys has great significance. The lowcycle fatigue tests for the extruded Al-7Zn-2Mg-1.5Cu-0.2Sc-0.1Zr alloy subjected to solution plus aging treatment have been conducted at 25°C and -40°C, respectively. The strain ratio and cyclic frequency applied in the low-cycle fatigue test were -1 and 0.5Hz, respectively. The experimental results show that at 25°C, the alloy exhibits the cyclic hardening at the total strain amplitudes of 1.0% and 1.2%, and the cyclic stabilization at the total strain amplitudes of 0.4%, 0.6% and 0.8%. At -40°C, however, the cyclic stability is observed during whole fatigue deformation at the total strain amplitudes of 0.4%, 0.5%, 0.6%, 0.7% and 0.8%. The relationship between the elastic strain amplitude, plastic strain amplitude and reversals to failure can be described by Basquin and Coffin-Manson equations, respectively. In addition, the observation results of fatigue fracture surfaces reveal that the cracks initiate at the free surface of fatigue specimen and propagate in a transgranular mode.

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