Results 101 to 110 of about 6,333 (218)

Effect of test temperature on low-cycle fatigue of high-chromium steel with high boron and low nitrogen content

open access: yesFrontier Materials & Technologies
High-boron 9–10% chromium martensitic steels are an advanced material for manufacturing various com-ponents of thermal power units in coal-fired power plants operating under ultra-supercritical steam conditions (up to ...
Ivan S. Brazhnikov   +1 more
doaj   +1 more source

Fractography of composite delamination [PDF]

open access: yes, 1988
Studies were made of the fractography of mode 2 delamination and the impact damage of carbon fiber reinforced polymer composites. Laminates fractured under mode 2 loading were potted in a clear epoxy polymer, sectioned and polished and examined using ...

core  

Investigation of microstructure, corrosion, and mechanical properties of MIG welded API X70 and SS401 joints

open access: yesФізика і хімія твердого тіла
In present study, Metal Inert Gas (MIG) welding with ER309L austenitic filler wire was used to weld API X70 and SS 401 steel. This particular joint is mainly used in oil and gas plants where stainless steel need to be connected to the high strength low ...
Lochan Sharma   +6 more
doaj   +1 more source

Fractography analysis of AL6061 under fatigue spectrum loadings

open access: yes, 2012
This paper discusses the fractography observation in crack propagations of Al6061 under a fatigue spectrum loading. Most of the real components and engineering structures are subjected to stress of variable amplitude.
Tuan Norhafizah binti Tuan Zakaria
core   +2 more sources

Experimental Investigation of Hydrogen-Assisted Fatigue Crack Growth in Vintage X52 and X70 Pipeline Steels Under Hydrogen–Natural Gas Blending

open access: yesMetals
This study investigates hydrogen-assisted fatigue crack growth (FCG) in vintage pipeline steels to quantify grade-dependent degradation under hydrogen–natural gas blending conditions.
Nayem Ahmed   +3 more
doaj   +1 more source

High temperature strength and fractography of sintered silicon-nitride

open access: yes, 1991
Influences of the sintering liquid system, temperature, microstructure and post sintering heat treatment on high temperature (30-1250-degrees-C) strength, Young's modulus and fracture toughness of sintered silicon nitride (SSN) have been studied.
Mukhopadhyay, Anoop Kumar   +2 more
core  

Microstructural changes and tensile fractography of Al-6061 after solutionizing and aging

open access: yesMaterials Research Express
This study investigates the effect of two-step heat treatment on the microstructure, mechanical properties, and fracture behavior of Al6061 alloy. Four conditions were examined: as-received and three heat-treated samples subjected to solution heat ...
Saurabh Dewangan   +1 more
doaj   +1 more source

Investigation of the Static and Dynamic Mechanical Properties of the Base Metal and Weld Zone of Haynes 25 Alloy [PDF]

open access: yesIranian Journal of Materials Science and Engineering
This work presents a comprehensive investigation of the high cycle fatigue behavior of Haynes 25 cobalt-based superalloy and its welds produced by pulsed continuous-wave (CW) laser welding.
Mahdi Behjati   +2 more
doaj  

Mechanical characteristics and failure analysis of AA6082/TiC/graphene hybrid composites

open access: yesMaterials Research Express
The main aim of the present research is to improve the tensile strength of lightweight aluminium alloy 6082, which makes it fit for many advanced engineering applications.
Sohan Lal   +4 more
doaj   +1 more source

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