Explain Atomizing nozzles in details?
Atomizing nozzles • Function is to control the flow and the pattern of atomizing medium to provide for efficient disintegration…
Atomizing nozzles • Function is to control the flow and the pattern of atomizing medium to provide for efficient disintegration…
Atomization Unit Melting and superheating facility: Standard melting furnaces can be used for producing the liquid metal. This i…
Types of atomization Atomization of molten metal can be done in different ways depending upon the factors like economy and requi…
Atomization This uses high pressure fluid jets to break up a molten metal stream into very fine droplets, which then solidify in…
Physical methods Electrolytic deposition • In this method, the processing conditions are so chosen that metals of high purity ar…
Attrition mill: IN this case, the charge is ground to fine size by the action of a vertical shaft with side arms attached to it…
Vibratory ball mill • Finer powder particles need longer periods for grinding. • In this case, vibratory ball mill is better =&g…
Ball mills • This contains cylindrical vessel rotating horizontally along the axis. Length of the cylinder is more or less equal…
Mechanism of milling: Changes in the morphology of powder particles during milling results in the following events. 1. Microfor…
Production of powders • Metal powders => Main constituent of a P/M product; final properties of the finished P/M part depend…
Advantages & limitations of Powder metallurgy • Efficient material utilization • Enables close dimensional tolerances – nea…
Powder metallurgy – basics & applications Powder metallurgy – science of producing metal powders and making finished/semi fi…
Oxide reduction: Reduction of compounds particularly oxides by the use of reducing agent in the form of either solid or gas acco…
Chemical Methods: Precipitation: The principal of precipitating a metal from its aqueous solution by the addition of a less nobl…
Methods of powders production 1-Physical Methods 1-1- Machining, Grinding and Filling: Relatively coarse and bulky powders entir…
Metal Powder Production METAL POWDER PRODUCTION techniques are used to manufacture a wide spectrum of metal powders designed to…
Secondary Operations A wide range of additional operations or treatments can be carried out on the parts after they have been si…
Apparent density: Apparent density of a metal powder, or the weight of a unit volume of loose powder expressed in grams per cub…
Particle shape: Particles of powder can take the form of spherical, rounded, cylindrical, spongy, acicular, flaky, cubic and ag…
Powder metallurgy – P/M is a highly developed method of manufacturing reliable ferrous and nonferrous parts. Made by mixing elem…