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Fresh and hardened properties of seawater-mixed concrete
Construction and Building Materials, 2018 •An experimental study was conducted to investigate seawater-mixed concrete.•A wide range of fresh and hardened properties of concrete were investigated.•Results were corroborated by isothermal calorimetry and SEM analytical techniques.•Remedial measures
Usama Ebead +2 more
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Nanomechanical properties of hardened 60NiTi
Materials Science and Engineering: A, 2021Abstract The nanomechanical properties of hardened 60NiTi were studied using nanoindentation. The hardened 60NiTi consists of two regions: the NiTi + Ni4Ti3 region, which is composed of a B2 NiTi matrix and nanoscale Ni4Ti3 precipitates, and the globular Ni3Ti precipitates. Blind nanoindentation was first performed on 60NiTi using a diamond Berkovich
Charles Miller +2 more
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Structure and properties of hardened steel layer in induction hardening
Metal Science and Heat Treatment of Metals, 19621. Superhardness obtained during high-frequency quenching is not due to any specific feature of the martensite structure, but to the high cooling rate of the thin, induction-heated layers. A uniformly high cooling rate during hardening produces the same hardness both after furnace and induction heating. 2.
K. Z. Shepelyakovskiy +2 more
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Fresh and Hardened Properties of Earth Concrete
AIJR Proceedings, 2023The building sector is expanding daily on a global scale with several environmental problems. The implementation of sustainable methods in the sector is also becoming more relevant at the same time. Concrete is one of the most abundantly used building material, which is made up of fine and coarse aggregate held in place by cement paste.
Anjali Ravi +4 more
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Characterizing the Mechanical Properties of the Hardened Layer Induced by Grinding-Hardening
Machining Science and Technology, 2014A grinding-hardening process uses the grinding heat to initiate the phase transformation in a workpiece made of quenchable steel and hence to generate its surface hardening. This paper investigates this phase transformation process and the mechanical properties of such hardened layers with the aid of experiments and the finite element analysis.
T. Nguyen, L. C. Zhang, D. L. Sun, Q. Wu
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Hardening Properties of Epoxy-Modified Cement Composites without Hardener
Polymers and Polymer Composites, 2016Due to the major advantages of an epoxy-modified system suitable for constantly wet conditions, epoxy-modified cement composites are considered very competitive construction materials compared to latex-modified cement composites. Various performance factors of epoxy-modified cement composites, including strength, are strongly dependent on the hardening
Young Kug Jo, Jeongyun do
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Study on Strain Hardening Property and Bake Hardening Property of High Aluminum Dual Phase Steel
Advanced Materials Research, 2013In this paper the strain hardening property and the bake hardening property of an original dual phase steel with high Aluminum had been studied. It can be disclosed that the dual phase steel has an excellent strain hardening property and bake hardening property with a strain hardening value of 125MPa and a bake hardening value of 60MPa as well as a ...
Wang Hui, Qing Song Wu, Cheng Jiang Lin
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Properties of low-hardenability cast steels
Metal Science and Heat Treatment, 19751. The mechanical properties (strength, bending, hardness) of cast and forged low-hardenability steel 50PPL after quenching are similar to those of steels 45 and 55PP. The strength of cast steel 50PPL is somewhat higher after quenching (about 14%) than that of steel 45L.
K. Z. Shepelyakovskii +2 more
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Strain Hardening and Tensile Properties
The desire for stronger steels probably goes back to the origins of the first transformations of a mixture of ore and charcoal into iron. This was done by the Chalybes and the Hittites in the South Caucasus. The Hittites were certainly the first to use iron in weaponry, as Hittite cuneiform tablets from the 18th-century BCE indicate the production of ...Mohamed Gouné, Olivier Bouaziz
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Microstructural Properties and Hardening Mechanism of Explosion Hardening of Mn13Cr2 Steel Surface
2018This article is aimed at the surface explosion hardening of Mn13Cr2 steel. The mechanical properties of Mn13Cr2 steel after explosion hardening were tested. The microstructure of Mn13Cr2 steel after explosion hardening was studied using optical microscopy (OM), scanning electron microscopy (SEM), X-ray diffraction (XRD). The experimental results showed
Qinan Ba, Renbo Song, Yifan Feng, Lun Li
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