Crack Path in Cemented Tungsten Carbides
نویسندگان
چکیده
منابع مشابه
Cemented Carbides – a Success Story
After WW2, a huge market opened in the growing economies and cemented carbides contributed as tool materials and construction parts to their industrial development. Today, cemented carbides are the workhorses in all areas of the manufacturing industries: no factory without cemented carbide tools; no production of glass bottles, aluminium cans or plastic tubes which has not benefited from these ...
متن کاملHealth hazard of poorly regulated exposure during manufacture of cemented tungsten carbides and cobalt.
Forty two of 125 former workers in a factory in Syracuse, New York, which manufactured hard metal parts from tungsten carbide and cobalt, were studied by chest radiographs, spirometry, and plethysmographically determined lung volumes. The plant was closed in 1982 and the studies were performed in 1983-5. Recorded measurements of carbide dust concentrations were only mildly excessive by modern s...
متن کاملCharacteristics of dusts encountered during the production of cemented tungsten carbides.
Inhalation of cobalt (Co) and tungsten carbide (WC) particles, but not Co or WC alone, may cause hard metal disease, risk of which does not appear to be uniform across cemented tungsten carbide (CTC) production processes. Inhalation of Co alone or in the presence of WC may cause asthma. Hypothesizing that aerosol size, chemical content, heterogeneity, and constituent compaction may be important...
متن کاملGradient formation in cemented carbides with 85Ni:15Fe-binder phase
I POPULÄRVETENSKAPLIG SAMMANFATTNING II
متن کاملInfluence of Laser Pulse Number on the Ablation of Cemented Tungsten Carbides (WC-CoNi) with Different Grain Size "2279
The ultra-short pulse laser has attracted attention as an advanced tool for functionalizing surface topography, since it has high accuracy and results in little damage. In a previous study, some innovative patterns were introduced on cemented carbide surfaces, such as dimples, which are commonly used as oil reservoirs for bearings. The accuracy is not only related to the inherent features of th...
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ژورنال
عنوان ژورنال: Journal of the Japan Institute of Metals and Materials
سال: 1980
ISSN: 0021-4876,1880-6880
DOI: 10.2320/jinstmet1952.44.2_117