Results 11 to 20 of about 8,893 (267)
Applications of Steel Slag Powder and Steel Slag Aggregate in Ultra-High Performance Concrete
Advances in Civil Engineering, 2018 The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and ...
Jin Liu, Runhua Guo
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Failure Mechanism of Contact Fatigue of Surface Super-hardened M50NiL Steel
Journal of Aeronautical Materials, 2017 Hardness gradient, residual stress gradient and the organization structure of surface super-hardened M50NiL steel roller and M50 steel roller were studied, the rolling contact fatigue life was measured, and the failure process was analyzed and compared ...
LUO Qinghong +3 more
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Cutting Performance and Wear/Damage Characteristics of PCBN Tool in Hard Milling
Applied Sciences, 2019 In the intermittent machining of hardened steel for the die and mold industry, determining how to reduce the wear of PCBN (Polycrystalline Cubic Boron Nitride) tools and improve their machining efficiency and quality is an important subject.
Haining Gao, Xianli Liu, Zhitao Chen
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RESEARCH ON CUTTING VIBRATION OF HIGH SPEED MILLING HIGH HARDNESS HARDENED STEEL WITH COATED TOOLS
Jixie qiangdu, 2021 High speed milling of high hardness hardened steel has the characteristics of high cutting speed and high machining surface hardness,smooth and efficient milling can ensure quality and accuracy,while the generation of cutting vibrations limits the ...
XIE YingXing, WANG ChengYong
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Cryogenic Treatment of Carbide-free Bainite Steel After Carburizing
Cailiao gongcheng, 2017 The cryogenic treatment (CT) process of carbide-free bainite steel after carburizing was optimized by the method combining thermal magnetic analysis, microhardness analysis and direct reading spectrometric analysis.
SUN Shi-qing
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Influence of Shot Peening on Surface Durability of Case-Hardened Steel Gears
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2007 In order to investigate the influence of shot peening on the surface durability of case-hardened steel gears, the case-hardened steel gears shot-peened with different shot velocities and shot diameters were fatigue-tested using a power circulating type ...
Masanori SEKI +5 more
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A Comparative Study on Cutting Tool Performance in High-Speed Face-Milling of Hardened Tool Steels [PDF]
Archives of Metallurgy and MaterialsIn this study cutting speeds and tool life constants for seven different cutting tools are investigated while high-speed face milling of four different much used hardened tool steels.1.2379 and 1.2080 cold-work tool steels, 1.2344 hot-work tool steel and
Ali O. Er, E. Aslan
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SURFACE HARDENING OF STEEL PARTS [PDF]
Odes’kyi Politechnichnyi Universytet Pratsi, 2017 Development of new resource-saving and cost-effective technologies of combined hardening of steel parts with a significant reduction of the process duration is an important and urgent task. Aim: The aim of the work is to create a technology for combined toughening of steel parts to provide high operational properties of the steel surface layer by ...
Idan, Alaa Fadhil І +2 more
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Hardened Layer and Bending Fatigue Strength of Induction Hardened Thermally Refined Steel Gears
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2009 This paper presents a study on effects of the pre-treatment and the heating time on the hardened layer and the bending fatigue strength of induction hardened gears.
Kouitsu MIYACHIKA +3 more
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Features of Spot-Matrix Surface Hardening of Low-Carbon Steel Using Pulsed Laser [PDF]
Engineering and Technology Journal, 2007 In this work, results of spot hardening in low-carbon steel by using a pulsedNd:YAG laser are presented. These results include determination ofhardening depth, diameter of hardened spot, aspect ratio and heat-affectedzone width with varying laser energy ...
Khawla Khashan
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