Results 31 to 40 of about 9,560 (208)

Study on impact properties of Ti6211 titanium alloy at different temperatures [PDF]

open access: yesMATEC Web of Conferences, 2020
In this paper, Charpy notched pendulum test was used to study the impact properties of Ti6211 titanium alloy at -60 ℃, -40 ℃, -20 ℃, 23 ℃, 100 ℃, 200 ℃ and 300 ℃, respectively, and the fracture morphology was analyzed.
Tian Yanwen, Hao Fang, Xu Enen, Du Junqi
doaj   +1 more source

The topographic signature of temperature-controlled rheological transitions in an accretionary prism [PDF]

open access: yesSolid Earth, 2022
The local topographic slope of the accretionary prism is often used together with the critical taper theory to determine the effective friction on subduction megathrust.
S. Pajang   +3 more
doaj   +1 more source

Brittle-to-ductile transition in Ti–Pt intermetallic compounds

open access: yesScience Bulletin, 2021
Phase transformation changes numerous properties of materials. Ti-Pt alloys have received much interest because of high martensitic transformation temperature. However, the intrinsic brittleness of these intermetallic compounds with low crystal symmetry and complicated phase structure limit their applications, especially when composition deviates from ...
Beikai, Zhao   +8 more
openaire   +2 more sources

Improvement of Hoek-Brown strength criterion considering critical state for rock brittle-ductile transition

open access: yesMeitan xuebao
The Hoek-Brown strength criterion is widely used in the field of rock engineering, but its application in the brittle-to-ductile transition of deep rock is relatively limited.
Jing ZHANG   +4 more
doaj   +1 more source

Ductile and brittle transition behavior of titanium alloys in ultra-precision machining

open access: yesScientific Reports, 2018
Titanium alloys are extensively applied in biomedical industries due to their excellent material properties. However, they are recognized as difficult to cut materials due to their low thermal conductivity, which induces a complexity to their deformation
W. S. Yip, S. To
doaj   +1 more source

Ductile–Brittle Transition Temperature of Epoxy Asphalt Concrete of Steel Bridge Deck Pavement Based on Impact Toughness

open access: yesAdvances in Materials Science and Engineering, 2023
To solve the common low-temperature cracking problem of epoxy asphalt concrete pavement on the steel bridge deck, based on the principle of fracture mechanics and energy method, this paper puts forward the impact toughness as the evaluation index of ...
Shunxian Zhang   +4 more
doaj   +1 more source

Surface Morphology Evaluation and Material Removal Mechanism Analysis by Single Abrasive Scratching of RB-SiC Ceramics

open access: yesCrystals, 2022
Reaction-Bonded Silicon Carbide (RB-SiC) ceramics possessing excellent mechanical and chemical properties, whose surface integrities have an essential effect on their performance and service life, have been widely used as substrates in the core parts of ...
Zhangping You   +3 more
doaj   +1 more source

Mechanical response and brittle-ductile transition of porous sandstone under true-triaxial loading

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
This study investigates the influence of mean stress and Lode angle on the mechanical behavior of porous sandstone. Sandstone specimens were tested using a newly developed true-triaxial loading apparatus under five constant Lode angle conditions and ...
Junjie Xiao   +4 more
doaj   +1 more source

Experimental Study on the Brittle-Ductile Response of a Heterogeneous Soft Coal Rock Mass under Multifactor Coupling

open access: yesGeofluids, 2019
After a gas drainage event causes different degrees of initial porosity in the coal seam, the heterogeneity of the coal mass becomes much more obvious. In this paper, soft coal testing samples with different degrees of heterogeneity were prepared first ...
Weijian Yu   +3 more
doaj   +1 more source

Suppressing scratch-induced brittle fracture in silicon by geometric design modification of the abrasive grits

open access: yesJournal of Materials Research and Technology, 2019
The overarching goal of this research was to investigate the application of spherically shaped abrasive particles in achieving ductile-mode cutting. Scratching experiments were carried out to assess the differences between arbitrarily and spherically ...
Andrii M. Kovalchenko   +4 more
doaj   +1 more source

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