Results 31 to 40 of about 41,570 (258)

Effect of weld metal composition on impact toughness properties of shielded metal arc welded ultra-high hard armor steel joints

open access: yesJournal of the Mechanical Behavior of Materials, 2020
Nowadays, ultra-high hard armor (UHA) steels are employed in armor tracked vehicle (ATV) construction because of their high hardness, high strength to weight ratio, and excellent toughness.
Balaguru V.   +2 more
doaj   +1 more source

Characterization of Aluminized Layers on Inconel‐738 Alloy: Microstructure, Modeling of Aluminizing Kinetics, and Thermal Behavior

open access: yesAdvanced Engineering Materials, EarlyView.
This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe   +4 more
wiley   +1 more source

Influence of carbon content on microstructure and mechanical properties of Mn13Cr2 and Mn18Cr2 cast steels [PDF]

open access: yesChina Foundry, 2014
In this paper, a comparison study was carried out to investigate the influence of carbon content on the microstructure, hardness, and impact toughness of water-quenched Mn13Cr2 and Mn18Cr2 cast steels.
Lu Dingshan, Liu Zhongyi, Li Wei
doaj  

A Numerical–Experimental Approach for Multi‐Matrix Fiber‐Reinforced Plastics Characterization Using Finite Element Model Updating

open access: yesAdvanced Engineering Materials, EarlyView.
A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora   +4 more
wiley   +1 more source

Investigation of improving wear performance of hypereutectic 15%Cr-2%Mo white irons [PDF]

open access: yesChina Foundry, 2010
This study aimed at optimizing impact toughness and abrasion wear resistance of 15%Cr-2%Mo hypereutectic abrasion-resistant white irons. The effects of dynamic solidification, niobium addition, combined action of them and heat treatment have been ...
R. Reda, A. Nofal, Kh. Ibrahim
doaj  

Evaluating Energy Absorption Performance of Filled Lattice Structures

open access: yesAdvanced Engineering Materials, EarlyView.
Maximum stress must be considered to robustly evaluate energy absorber designs. This approach was applied to compare all types of absorbers in a single Ashby diagram and determine the utility of filling lattice voids with a second material. High‐performance fillers can improve the performance of lattices that are limited by buckling or catastrophic ...
Christian Bonney   +2 more
wiley   +1 more source

Effect of welding thermal cycles on the heat affected zone microstructure and toughness of multi-pass welded pipeline steels [PDF]

open access: yes, 2012
This research is aimed at understanding the effect of thermal cycles on the metallurgical and microstructural characteristics of the heat affected zone of a multi-pass pipeline weld. Continuous Cooling Transformation (CCT) diagrams of the pipeline steel
Nuruddin, Ibrahim K.
core  

Analysis of temperature effects near mode I cracks in glassy polymers [PDF]

open access: yes, 2005
A previous isothermal study has shown that the toughness of glassy polymers is governed by the competition between shear yielding and crazing. The present work aims at investigating loading rates for which thermal effects need to be accounted for.
Estevez, R.,   +14 more
core   +1 more source

LITERATURE REVIEW ON FRACTURE TOUGHNESS AND IMPACT TOUGHNESS

open access: yes, 2021
The present paper gives a technical review of fracture toughness, and impact toughness for metallic materials in terms of the linear elastic fracture mechanics.
Dr. Dhamejani C. L., Mr. Shinde S. S
core   +1 more source

Influence of thermomechanical treatment parameters on the microstructure and mechanical properties of S275JR steel [PDF]

open access: yesTehnika
In this study, the emphasis was placed on investigating the influence of various thermomechanical treatment parameters on the mechanical properties and microstructure of S275JR steel.
Stamenković Uroš S.   +4 more
doaj   +1 more source

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