Results 41 to 50 of about 826 (197)

Very high cycle fatigue for GCr15 steel with smooth and hole-defect specimens

, 2012
Very high cycle fatigue (VHCF) properties of a low temperature tempering bearing steel GCr15 with smooth and hole-defect specimens are studied by employing a rotary bending test machine with frequency of 52.5 Hz.
赵爱国, 孙成奇, 雷铮强, 谢季佳, 洪友士   +4 more
core   +1 more source

VHCF Response up to 10⁹ Cycles of SLM AlSi10Mg Specimens Built in a Vertical Direction

Applied Sciences, 2019
It is well-known that many manufacturing parameters affect the quasi-static and the fatigue response of additive manufacturing (AM) parts. In particular, due to the layer-by-layer production, the load orientation, with respect to the building direction ...
Davide S. Paolino, Andrea Tridello, Jacopo Fiocchi, Carlo A. Biffi, Giorgio Chiandussi, Massimo Rossetto, Ausonio Tuissi   +6 more
doaj   +1 more source

Increasing the Reuse Potential of High‐Strength Steels by Extending the Fatigue Life through Surface Treatments

steel research international, EarlyView.
Surface reconditioning through mechanical and electrochemical polishing is shown to extend the fatigue life of predamaged 42CrMo4 steel by over 12 times. By removing ≈100 μm of surface material, surface‐driven fatigue damage is mitigated. This study introduces a reuse potential metric to evaluate fatigue recovery and support sustainable steel reuse. To
Ayush Shrivastava, Oguz Gulbay, Srinivasa Raghavan Raghuraman, Marion Kreins, Fabian Weber, Peter Starke, Alexander Gramlich, Ulrich Krupp   +7 more
wiley   +1 more source

Propensities of crack interior initiation and early growth for very-high-cycle fatigue of high strength steels

, 2014
Fatigue tests of a high carbon chromium steel were performed using rotating bending and ultrasonic axial cycling. Fatigue crack initiated at specimen interior for very-high-cycle fatigue (VHCF) with fish-eye pattern embracing fine-granular-area (FGA ...
赵爱国, Hong, YS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China., 孙成奇, 雷铮强, 洪友士   +4 more
core   +1 more source

Microstructure, Defects, and Fatigue Response of High‐Strength Tool Steels

steel research international, EarlyView.
The martensitic tool steel family is designed for use in various working environments where they are subjected to repeatedly high mechanical loads. Despite the continuous upgrade of material´s microstructures through compositional development or processing techniques, defects remain a critical factor for the tool performance by leading to fatigue ...
Katerina Chantziara, Jens Bergström, Dimitrios Nikas, Mikael Thomas Grehk   +3 more
wiley   +1 more source

Using Multiple Regression Models and Methods to Estimate Fatigue‐Life Distributions and Construct Constant‐Life Diagrams

Applied Stochastic Models in Business and Industry, Volume 42, Issue 2, March/April 2026.
ABSTRACT Fatigue is the most common reliability failure mechanism and has been studied widely since the 19th century. Material specimens are used in laboratory experiments to obtain fatigue test data. An S‐N curve is used to depict the relationship between the stress (or strain) S$$ S $$ and the number of cycles to failure N$$ N $$. Statistical methods
Diaz F. Aksioma, William Q. Meeker, Huaiqing Wu   +2 more
wiley   +1 more source

Effect of Surface Mechanical Attrition Treatment on the very high cycle fatigue behavior of TC11

MATEC Web of Conferences, 2018
As an important engine component material, TC11 (Ti-6.5Al-3.5Mo-1.5Zr-0.3Si) titanium alloy is subjected to high frequency cyclic loading and its failure occurs beyond 109 cycles.
Gao Tao, Sun Zhidan, Xue Hongqian, Retraint Delphine   +3 more
doaj   +1 more source

Influences on the Fatigue Strength of Laser‐Welded High‐Purity Copper Connections

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 10, Page 4148-4160, October 2025.
ABSTRACT Due to their excellent conducting properties, components made of high‐purity copper are increasingly being used in the field of electrified applications. In particular for components with welded joints made of high‐purity copper, there is still no computational basis for evaluating the fatigue strength of these joints.
Matthias Lauf, Stefan Pruy, Christian Hollmann, Peter Hantschke, Markus Kästner   +4 more
wiley   +1 more source

Very High Cycle Fatigue Performance of Ductile Cast Iron With Different Microstructures

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 9, Page 3950-3966, September 2025.
ABSTRACT The very high cycle fatigue performance of four ductile cast irons, a solid solution strengthened ferritic, ferritic‐pearlitic, and two austempered ductile cast irons, was investigated by ultrasonic fatigue testing under fully reversed loading conditions. The step‐stress fatigue testing method incorporating re‐use of runouts was employed, with
Max Ahlqvist, Kenneth Weddfelt, Daniel Leidermark, Viktor Norman   +3 more
wiley   +1 more source

Effect of long-period stacking ordered structure on very high cycle fatigue properties of Mg-Gd-Y-Zn-Zr alloys

Journal of Magnesium and Alloys, 2023
Magnesium alloys with a long-period stacking ordered (LPSO) structure usually possess excellent static strength, but their fatigue behaviors are poorly understood. This work presents the effect of the LPSO structure on the crack behaviors of Mg alloys in
Xiangyu WANG, Chao HE, Xue Li, Lang LI, Yongjie LIU, Qingyuan WANG   +5 more
doaj   +1 more source