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Bearing Steels: The Rating of Nonmetallic Inclusion
1975Description The symposium on Rating of Nonmetallic Inclusion in Bearing Steels was presented at May Committee Week of the American Society for Testing and Materials held in Boston, Mass., 22-24 May 1974. Committee A01 on Steel, Stainless Steel, and Related Alloys, Subcommittee A01.28 on Bearing Steels, sponsored the symposium. J. J.
JJC Hoo, PT Kilhefner, JJ Donze
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Investigation of nonmetallic inclusions in high-speed steels
Materials Characterization, 1997Abstract The morphology, structure, and amount of nonmetallic inclusions in M2 high-speed steel and an experimental version modified with an addition of Al have been studied. The addition of aluminum to high-speed steel leads to an increase in nonmetallic inclusions, especially Al 2 O 3 and AlN. The morphologies of nonmetallic inclusions in M2Al are
Gongqi Shi, Shouze Zhou, Peidao Ding
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Nature and diagnostics of nonmetallic inclusions in steels
Russian Metallurgy (Metally), 2012The chemicomineralogical nature of nonmetallic inclusions (NIs) in a number of steel grades prepared by traditional melting, elecroslag refining, and casting has been studied. Suboxides and phases having variable nonstoichiometric compositions are found to comprise nonmetallic inclusions.
V. V. Lunev, V. P. Pirozhkova
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Microstrain distribution near the boundaries of nonmetallic inclusions
Metal Science and Heat Treatment, 1990Microstrains were measured on a flat alloy 35KhN3MF specimen using photographically superposed small-base scaling grids. The base of the grid 0.01 mm corresponds to the characteristic grain size, and the specimen deformation is 10.2%. The field of micro-strains was examined in the zone of three inclusions located in segments with local longitudinal ...
A. A. Vainshtein +2 more
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Nonmetallic inclusions in alloys of the YuNDK24 type
Metal Science and Heat Treatment, 1970Different types of inclusions have various effects on the type of microstructure formed. Sulfides are the most active. Corundum and carbides affect the structure to a lesser extent than sulfides.
R. P. Leshchinskaya, G. P. Samartseva
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Addition of Titanium Oxide Inclusions into Liquid Steel to Control Nonmetallic Inclusions
Metallurgical and Materials Transactions B, 2011Titanium oxide inclusions in steel are well known to inhibit grain growth and act as nucleation sites for acicular ferrite because of absorbing manganese from the surrounding steel resulting in a manganese depleted zone around the inclusion. In this article, the inclusions resulting from TiO2 additions to low-alloyed C-Mn-Cr steel were studied ...
Miia Kiviö, Lauri Holappa
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Rating of Nonmetallic Inclusions by Image Analysis
1975Image analysis has proved to be a reliable method for the rating of steel cleanness. One analysis gives information about the average content of oxides and sulfides, the existence of critical inclusions according to size, and by specific field counting information related to the macroscopic fraction of inclusions.
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Nonmetallic Inclusions and Fracture Behavior of Steels
Journal of Basic Engineering, 1960Some observations showing the adverse effects of certain kinds of nonmetallic inclusions on the strength and fracture behavior of alloy steel test specimens are presented. The observations pertain to the effects in tests at low and high temperatures and under steady and cyclic loading.
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Role of Nonmetallic Inclusions in Fatigue, Pitting, and Corrosion Fatigue
Corrosion, 1996A study was conducted of the effect of nonmetallic inclusions on the fatigue and corrosion fatigue resistance of a high-strength steel in 0.6 M sodium chloride (NaCl) solutions. Results indicated that angular calcium-aluminate inclusions played an important role in introducing cracks during air fatigue cycling; however, sulfide inclusions appeared to ...
Wang, Y, Akid, R
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