Results 31 to 40 of about 144,259 (309)

Vibrated concrete vs. self-compacting concrete: comparison of fracture mechanics properties [PDF]

open access: yes, 2014
This study focuses on the fracture mechanics aspect of self-compacting concrete, compared to vibrated concrete. The most commonly used experiments to investigate the toughness and cracking behaviour of concrete are the three-point bending test (3PBT) on ...
Boel, Veerle   +3 more
core   +1 more source

Research on Fracture Toughness of Flattened Brazilian Disc Specimen after High Temperature

open access: yesHigh Temperature Materials and Processes, 2016
Fracture toughness is an important parameter to study fracture characteristic of rock under external loads. Based on splitting tensile test on flattened Brazilian disc specimen of rock after high temperature, load–displacement curves of rock sample in ...
Liu Shi, Xu Jinyu, Wang Peng, Fang Xinyu
doaj   +1 more source

Solid Freeform Fabrication of Functional Silicon Nitride Ceramics by Laminated Object Manufacturing 1 [PDF]

open access: yes, 2000
The processing of silicon nitride (Si3N4) structural ceramics by Laminated Object Manufacturing (LOM) using ceramic tape preforms was investigated. The key processing stages involved green shape formation (which used the LOM process), followed by the ...
Agarwala, M.   +4 more
core   +1 more source

Evaluation of shale fracture toughness based on micrometer indentation test

open access: yesPetroleum, 2019
It is an important mechanical parameter for fracture toughness that affects hydraulic fracturing. Some methods such as indoor test core and logging data interpretation are commonly used to obtain fracture toughness. These methods, however, have their own
Xue Su, Ping Chen, Tianshou Ma
doaj   +1 more source

Fracture Toughness of Tooth Acrylic

open access: yesKey Engineering Materials, 1996
The hardness, fracture toughness, toughness, flexural strength and Young's moduli of three acrylic tooth polymers were investigated. The first polymer was based on a conventional homopolymer poly(methylmethacrylate). The second was based on cross-linked poly(methylmethacrylate) with an uncross-linked poly(methylmethacrylate) coating. The third material
A C, Murphy, R G, Hill
openaire   +2 more sources

Fracture Toughness Characteristics of High-Manganese Austenitic Steel Plate for Application in a Liquefied Natural Gas Carrier

open access: yesMetals, 2021
High-manganese austenitic steel was developed to improve the fracture toughness and safety of steel under cryogenic temperatures, and its austenite structure was formed by increasing the Mn content.
Gyubaek An   +3 more
doaj   +1 more source

Study of Thickness Effect on Fracture Toughness of High Grade Pipeline Steel

open access: yesMATEC Web of Conferences, 2016
The critical fracture toughness decreases when thickness of specimens increases and stress-strain field in crack tip start changing to plane strain state from plane stress state. In this paper, fracture toughness tests were carried. Based on the analysis
Zhang Hua   +4 more
doaj   +1 more source

The Loading Rate Effect on the Fracture Toughness of Marble Using Semicircular Bend Specimens

open access: yesGeofluids, 2020
A series of dynamic fracture experiments on semicircular bend (SCB) marble specimens were conducted to characterize the loading rate effect using the INSTRON testing machine and the modified SHPB testing system.
Fengqiang Gong   +2 more
doaj   +1 more source

Size effect of fracture characteristics for anisotropic quasi-brittle geomaterials

open access: yesInternational Journal of Mining Science and Technology, 2023
Understanding the size effect exhibited by the fracture mechanism of anisotropic geomaterials is important for engineering practice. In this study, the anisotropic features of the nominal strength, apparent fracture toughness, effective fracture energy ...
Cunbao Li   +4 more
doaj   +1 more source

Fracture toughness testing data: A technology survey and bibliography [PDF]

open access: yes, 1975
Announced survey includes reports covering fracture toughness testing for various structural materials including information on plane strain and developing areas of mixed mode and plane strain test conditions.
Carpenter, J. L., Jr.   +3 more
core   +1 more source

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