Results 201 to 210 of about 609 (259)

Impurities and Nonmetallic Inclusions in Aluminum

JOM, 1965
A study of the effects of aluminum reduction cells, holding furnaces, and three-layer refining cells produced some interesting results.
M. Ishihara, K. Mukai
openaire   +1 more source

Nonmetallic inclusions in important steels

Russian Metallurgy (Metally), 2011
The contamination of 30Cr2Ni4MoV rotor steel with exogenous nonmetallic inclusions is studied. Technological measures intended to decrease the level of contamination of the steel with nonmetallic inclusions and to enhance its quality are recommended.
Yu. V. Sobolev, Yu. M. Batov, S. Yu. Afanas’ev, S. A. Chernyakhovskii, L. T. Afanas’eva, A. G. Vladimirov   +5 more
openaire   +1 more source

Nonmetallic inclusions in steel U10A wire

Metal Science and Heat Treatment, 1990
1. In wire of high-carbon tool steel U10A intended for manufacturing sewing machine needles nonmetallic inclusions of two types are observed: globular and drawn-out in shape. 2. The inclusions have a complex composition and they are not pure graphite. They contain a high amount of carbon.
V. G. Khoroshailov, L. T. Zhukova, E. G. Lashkova, N. B. Tsvetova   +3 more
openaire   +1 more source

Characterization of Nonmetallic Inclusions in 18CrNiMo7-6

Metallurgical and Materials Transactions B, 2018
The detrimental effect of nonmetallic inclusions (NMIs) in steels on, e.g., fatigue lifetime is well known. In order to increase the durability and safety of materials and components, inclusion control and a deep understanding of inclusion formation are essential.
Johannes Gleinig, Anja Weidner, Jens Fruhstorfer, Christos G. Aneziris, Olena Volkova, Horst Biermann   +5 more
openaire   +1 more source

Nonmetallic inclusions in alloys of the YuNDK24 type

Metal Science and Heat Treatment, 1970
Different 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
openaire   +1 more source

Nonmetallic inclusions in high-speed steel

Metal Science and Heat Treatment of Metals, 1962
1. Various nonmetallic inclusions — oxides, brittle and plastic silicates, and globular bodies — may be encountered in high-speed steel. 2. High-speed steel is primarily contaminated by brittle inclusions the amount of which most frequently corresponds to numbers 3–5 of the TsNIIChM scale.
Ye. A. Smol'nikov, A. S. Badayeva
openaire   +1 more source

Nature and diagnostics of nonmetallic inclusions in steels

Russian Metallurgy (Metally), 2012
The 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
openaire   +1 more source

Bearing Steels: The Rating of Nonmetallic Inclusion

1975
Description 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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Nonmetallic Inclusions and Rolling Contact Fatigue

1975
Rolling contact fatigue tests were carried out on an angular contact ball bearing test rig at a low unit pressure (Po = 260 kp/mm2). The results show a sound “relative correlation” between the rolling contact fatigue and the content of nonmetallic inclusions.
K Böhm, H Schlicht, O Zwirlein, R Eberhard   +3 more
openaire   +1 more source