Advances in Particulate Materials by A. Bose

By A. Bose

Advances in Particulate fabrics introduces the techniques and ideas linked to simple powder construction, and info the main serious, cutting-edge developments within the region of fabrics processing and particulate fabrics. because the calls for of recent know-how elevate, particulate fabrics allows the creation of various complicated fabrics that could be used in aerospace, car, safeguard, chemical, and scientific industries.

Provides in-depth assurance of a few of the main fascinating and the most important advancements within the quarter of particulate fabrics
Covers either processing and the fabrics element of a few of the rising components of particulate fabrics

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This proposal was considered highly controversial as numerous personnel using nickel over a number of decades were not afflicted as were the people in the refining industry. Over and above that, it was considered impossible to achieve a nickel dust level of less than 15 ^g Ni/m^ air. Thus, it was considered that the proposal was not applicable to metallic nickel. Any firm decision in this regard was postponed until a committee entitled "International Committee on Nickel Carcinogenic in Man" completed and published its study in 1990.

A number of intermetallic com­ pounds exhibit a unique characteristic of increased strength with increasing temperature. Some of the intermetalhc compounds exhibit excellent shape memory characteristics and are therefore extensively used as shape memory alloys, like TiNi. Presently the aluminide-based intermetallic compounds, especially the NÍ3Al­ based compounds, are being used commercially. It was expected that the intermetallic compounds would first find applications in the aerospace industry, but their initial applications have been in other areas; some of the applications include diesel engine components, powder metallurgy products, resistance heating wire, and aircraft fasteners.

Another compound of molybdenum that is being heavily investigated for its potential use as high-temperature material is molybdenum disilicide. This material is presently an excellent heating element, having good oxidation properties at temperatures above 1773 Κ (1500°C). Attempts are currently underway to try to use this compound in very high-temperature structural components. Other uses of molybdenum include high-precision grinding wheel spindles, supports and backing for transistors and rectifiers, electrodes and stirring equipment in glass manufacturing, heat shields, and nuclear reactor control rod production.

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