Results 31 to 40 of about 4,788 (225)
In this study, sequential anddifferent temperature heat treatments were applied to steels after austenatingheat treatment applied to different AISI steel types.
İsmail Topcu +3 more
doaj +1 more source
The influence of surface heat treatment using laser radiation on the fatigue strength and corresponding microstructural evolution of AISI 4140 alloy steel was investigated in this research.
Oh M.C., Yeom H., Jeon Y., Ahn B.
doaj +1 more source
The Residual Stress Relaxation Behavior of Weldments During Cyclic Loading [PDF]
Accurate measurement of residual stress is necessary to obtain reliable predictions of fatigue lifetime and enable estimation of time-to-facture for any given stress level.
A. Wick +38 more
core +3 more sources
AISI 4340 and AISI 4140 are normally used for different structural applications in quenched and tempered state due to their high strength, high abrasion and fatigue resistance but they lack toughness. Presence of dual phase microstructure such as ferrite-
Mian Muhammad Bilal +6 more
doaj +1 more source
Pengaruh Proses Bubut Baja AISI 4140 terhadap Mental Workload dengan Metode NASA-TLX
This study aims to analyze the mental workload with the experimental method when operating a lathe under two different conditions, namely by using cooling and without cooling.
Meri Rahmi +2 more
doaj +1 more source
On the comparative cutting performance of nature inspired structured cutting tool in dry cutting of AISI/SAE 4140 [PDF]
In this study, femtosecond laser was used to create micro-structures on the flank face of a cutting tool. For the first time, a nature-inspired design (shape) of structure was created and explored.
Anis Fatima, Han X, Paul T Mativenga
core +1 more source
Surface Improvement of Shafts by Turn-Assisted Deep Cold Rolling Process
It is well recognized that mechanical surface enhancement methods can significantly improve the characteristics of highly-stressed metallic components.
Prabhu Raghavendra +4 more
doaj +1 more source
The pulse plasma system is a surface modification method applied to steel samples. In the present study, the effect of the nozzle distance and pulse number parameters were investigated on the modification process.
Yıldız Yaralı Özbek +1 more
doaj +1 more source
Pressed and sintered AISI 4140 PM low alloy steel from gas atomised powders [PDF]
This paper is based on a presentation at Euro PM 2012 organised by EPMA in Basel, Switzerland on 16–19 September 2012In conventional PM of low alloy steels various alloying routes are used (fully prealloyed powders, diffusion alloying, elemental powders),
Jabbari Taleghani, Mohammad Ali +2 more
core +2 more sources
NUMERICAL AND EXPERIMENTAL ANALYSIS OF RESIDUAL STRESSES GENERATED DURING HARDENING OFAISI 4140 BAR [PDF]
The aim of this work is to analyze the distribution of residual stresses resulting from the combination of volumetric changes due to heat gradients and phase changes occurring during the quenching process of an AISI/SAE 4140 steel cylinder.
Edwan Anderson Ariza Echeverri +1 more
doaj +1 more source

