Results 11 to 20 of about 16,314 (309)

Iron nanoparticle influence on the structure of improved structural steel and its properties [PDF]

open access: yesМеталознавство та обробка металів, 2020
The results of the study of the effect of nanoparticles in the shell of iron oxide Fe2O3, which when injected into the melt and heated up to melt temperature is converted into oxide Fe3O4, on the microstructure of hardened and tempered steel 25GSL and ...
Y. G. Aftandiliants, К.G. Lopatko
doaj   +1 more source

Hardening of Steel [PDF]

open access: yesNature, 1880
I SHOULD have, had circumstances permitted, thanked Mr. Walter R. Brown for his kind response to my letter, “Iron and Hydrogen” (NATURE, vol. xxii. p. 220), and for the reference to Mr. Anderson's report, with which I was unacquainted.
openaire   +3 more sources

Strength and flexural behavior of steel fiber and silica fume incorporated self-compacting concrete

open access: yesJournal of Materials Research and Technology, 2021
Self-Compacting Concrete (SCC) that flows by its own weights without compaction or vibration, thereby no external energy from mechanical equipment. In addition to this, cement replacement with silica fume and the introduction of steel fibers have allowed
Abdalla M. Saba   +6 more
doaj   +1 more source

Fatigue life of case-hardened steel roller with an effective case-hardened depth of 2mm

open access: yesNihon Kikai Gakkai ronbunshu, 2014
In this study, case-hardened steel rollers with an effective case-hardened depth of 2 mm were fatigue-tested using a roller testing machine in order to elucidate their rolling contact fatigue life. They were made of three kinds of steels.
Masanori SEKI   +3 more
doaj   +1 more source

The effect of quenching and defects size on the HCF behaviour of Boron steel [PDF]

open access: yes, 2014
This work investigates the effect of natural and artificial surface defects and quenching on the fatigue strength of a Boron steel (22MnB5). A vast experimental campaign has been undertaken to study the high cycle fatigue behaviour and more specifically ...
PESSARD, Etienne   +4 more
core   +1 more source

High Speed Milling of Hardened Steel Convex Surface [PDF]

open access: yes, 2016
This paper presents a contribution to hardened tool steel milling studies. High speed milling is largely utilized to substitute some EDM and polishing operations, mainly in hardened tool steel finishing.
Diniz, Anselmo Eduardo   +1 more
core   +3 more sources

Applications of Steel Slag Powder and Steel Slag Aggregate in Ultra-High Performance Concrete

open access: yesAdvances 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
doaj   +1 more source

Cutting Performance and Wear/Damage Characteristics of PCBN Tool in Hard Milling

open access: yesApplied 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
doaj   +1 more source

Experimental and analytical assessment of ductility in lightly reinforced concrete members [PDF]

open access: yes, 2010
This is the post-print version of the final paper published in Engineering Structures. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting,
Cashell, KA   +5 more
core   +1 more source

Cryogenic Treatment of Carbide-free Bainite Steel After Carburizing

open access: yesCailiao 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
doaj   +1 more source

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