Results 21 to 30 of about 5,991 (129)
Eliciting stable nanoscale fracture in single-crystal silicon
In this letter, we demonstrated stable nanoscale fracture in single-crystal silicon using an in-situ wedge-loaded double cantilever beam (DCB) specimen.
Frank W. DelRio +7 more
doaj +1 more source
Light and electron microscopy of microstructure and fractography of an ultrahigh-strength martensitic steel [PDF]
Microstructure, tensile properties and fractography have been examined in the oil-quenched samples of a low-alloy ultrahigh strength 4340 steel. Intergranular fracture was revealed to locate at the fracture origin.
Wang, Wei +6 more
core +4 more sources
An insight of the dominant fracture mechanisms occurring in mechanical metallic components during industrial service conditions is offered through this short overview.
George A. Pantazopoulos
doaj +1 more source
Fatigue tests were performed to estimate the coplanar and branch crack growth rates on rail and wheel steel under non-proportional mixed mode I/II loading cycles simulating the load on rolling contact fatigue cracks; sequential and overlapping mode I and
Makoto Akama
doaj +1 more source
Impact fracture behavior at low temperatures was investigated in medium manganese steel with bcc-fcc duplex microstructures. The impact energy was above 150 J (−80~20 °C) and the fractography showed dimples for inter-critical annealing at 630 °C (QHA ...
Yu Du +6 more
doaj +1 more source
In order to investigate the effects of hydrogen gas pressure pH2 and test frequency f on the fatigue crack growth (FCG) properties of low carbon steel in hydrogen gas atmosphere, the FCG tests using compact tension specimens were conducted under various ...
Michio YOSHIKAWA +4 more
doaj +1 more source
Off-Axis Tension Behaviour of Unidirectional PEEK/AS4 Thermoplastic Composites
An experimental method for non-standard off-axis tension tests of unidirectional composites is developed. A new oblique end-tab is designed to eliminate stress concentration and in-plane bending moment induced by off-axis tension loading.
Yifan Ma, Yazhi Li, Lu Liu
doaj +1 more source
Fatigue Behavior of an Al-12.7Si-0.7Mg Alloy Processed by Extrusion and Heat Treatment
The fatigue life of a hot extruded Al-12.7Si-0.7Mg alloy under T1, T4, and T6 conditions was studied. The microstructure and tensile properties of the alloy were investigated in order to analyze the fatigue behavior.
Fang Liu, Fuxiao Yu, Dazhi Zhao, Li Gao
doaj +1 more source
Fractography analysis of Inconel 718 fatigued at 700°C [PDF]
This work deals with the fractography analysis of nickel-base superalloy Inconel 718 fatigued at 700°C in air atmosphere in the high cycle region. During cyclic loading of this alloy at high temperatures some different mechanisms compared to cyclic ...
Otakar Bokůvka +7 more
core +1 more source
Effect of Hydrogen Content and Strain Rate on Hydrogen-induced Delay Cracking for Hot-stamped Steel
Hot-stamped steel has been widely used in automobile bumper and other safety components due to its high strength. Therefore, this paper investigates the effect of hydrogen content and strain rate on hydrogen-induced delay cracking (HIDC) behavior.
Hongxing Jia +4 more
doaj +1 more source

