reduce porosity

См. также в других словарях:

• Porosity sealing — Porosity sealing, also known as vacuum impregnating, metal impregnating, polymer impregnating, and porous metal sealing, is the process of filling a porous substrate to make it airtight. Process Porosity sealing is a four step process: Air within …   Wikipedia

• Formation evaluation neutron porosity — In the field of formation evaluation, porosity is one of the key measurements to quantify an oil and gas reserves. Neutron porosity measurement employs neutron source to measure hydrogen index in a reservoir, which is directly related to porosity …   Wikipedia

• Casting (metalworking) — Casting iron in a sand mold In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which… …   Wikipedia

• Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …   Wikipedia

• Sodium silicate — E550 redirects here. For the Italian locomotive, see FS Class E550 Sodium silicate …   Wikipedia

• Nuclear graphite — Core graphite from the Molten Salt Reactor Experiment Nuclear graphite is any grade of graphite, usually electro graphite, specifically manufactured for use as a moderator or reflector within nuclear reactors. Graphite is an important material… …   Wikipedia

• semivitreous — “+ adjective ceramics : having not enough glassy phase to reduce porosity below 0.2 percent * * * /sem ee vi tree euhs, sem uy /, adj. (ofceramics). partially vitreous. [1775 85; SEMI + VITREOUS] …   Useful english dictionary

• Gas metal arc welding — RMD redirects here. RMD may also refer to IRA Required Minimum Distributions. Gas metal arc welding …   Wikipedia

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• Casting defect — A casting defect is an irregularity in the metal casting process that is undesired. Some defects can be tolerated while others can be repaired otherwise they must be eliminated. They are broken down into five main categories: gas porosity,… …   Wikipedia

• rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …   Universalium