Results 1 to 10 of about 2,209 (186)

TEXTURAL FRACTOGRAPHY

open access: yesImage Analysis and Stereology, 2011
The reconstitution of the history of a fatigue process is based on the knowledge of any correspondences between the morphology of the crack surface and the velocity of the crack growth (crack growth rate - CGR).
Hynek Lauschmann   +3 more
doaj   +3 more sources

Creep rupture properties of bare and coated polycrystalline nickel-based superalloy Rene®80 [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2021
The mechanism governing de-oxidation of vanadium metal is regarded as fundamental knowledge; however, it has not been elucidated in existing literature.
Barjesteh M.M.   +3 more
doaj   +1 more source

Characterization of the mechanical properties and microstructural evolution of martensitic steel in repeated tempering cycles�

open access: yesFracture and Structural Integrity, 2023
The purpose of this study was to understand the behavior of martensitic H13 steel in accordance with the microstructural evolution, mechanical properties and wear in repeated tempering cycles.
Amitkumar Shelar, B. P. Ronge
doaj   +1 more source

Optimization of T-6 cycle and Characterization of Si3N4 Reinforced High Strength Aluminum Metal Matrix Composites [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
In this research, AA7068/Si3N4 composites were fabricated through stir casting with the attachment of ultrasonic treatment. The quenching medium and aging duration significantly influenced the hardness of Al alloy samples.
Ashish Kumar   +3 more
doaj   +1 more source

Investigation of stress-corrosion cracking of welded joint of H70 steel under cathodic polarization in near neutral environment

open access: yesZaštita Materijala, 2023
Study of stress-corrosion cracking of welded joints made of X70 steel at cathodic polarization in near neutral solution NS4 was carried out. It was established that the tendency of base metal of X70 steel to stress-corrosion cracking, estimated by KS ...
Lyudmila Nyrkova   +6 more
doaj   +1 more source

Mechanical properties and fractography of cement-based composites reinforced by natural piassava and jute fibers

open access: yesCerâmica, 2022
Today’s demand for environmentally friendly and energy-efficient solutions to the construction industry has driven researchers to match natural resources with traditional technics to develop new building technologies.
F. P. Teixeira   +3 more
doaj   +1 more source

Effect of Boride Layer on PM HSS AISI M2 on the Mechanisms Acting in the Transverse Rupture Strength Test [PDF]

open access: yesMaterials Research, 2017
Herein, it was conducted a study in order to examine the main fracture characteristics in the transverse rupture strength test (TRS) of a high speed steel (HSS) AISI M2 produced by powder metallurgy (PM) and with boriding treatment.
Mateus Leal Arcego   +3 more
doaj   +2 more sources

Microstructure and Fatigue Properties of AlZn6Mg0.8Zr Alloy Subjected to Low-Temperature Thermomechanical Processing

open access: yesMetals, 2017
The paper presents results of the investigations on the effect of the low-temperature thermomechanical treatment on the microstructure of AlZn6Mg0.8Zr alloy (7003 alloy) and the relationships between microstructure and fatigue properties and fractography
Aleksander Kowalski   +4 more
doaj   +1 more source

Cauchy-based Modelling in Cementitious Materials Technology [PDF]

open access: yesArchives of Civil Engineering, 2020
Cauchy paved the way for constructing models in concrete technology, and elsewhere. He determined the (nonflat) surface area in 3D by measuring random total projections. Analogously, he determined the length of a curved line in 2D by way of measuring the
P. Stroeven, M. Słowik
doaj   +1 more source

Data demonstrating the effects of build orientation and heat treatment on fatigue behavior of selective laser melted 17–4 PH stainless steel

open access: yesData in Brief, 2016
Axial fully-reversed strain-controlled (R=−1) fatigue experiments were performed to obtain data demonstrating the effects of building orientation (i.e. vertical versus horizontal) and heat treatment on the fatigue behavior of 17–4 PH stainless steel (SS)
Aref Yadollahi   +3 more
doaj   +1 more source

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