منابع مشابه
Heat Treatment of Metals
Ferrous metals include cast iron, steel, and the various steel alloys, The only difference between iron and steel is the carbon content. Cast iron contains more than 2-percent carbon, while steel contains less than 2 percent. An alloy is a substance composed of two or more elements. Therefore, all steels are an alloy of iron and carbon, but the term “alloy steel” normally refers to a steel that...
متن کاملHeat Treatment of Milk
The aim of this chapter is to communicate the underlying principles for producing heattreated milk which is safe and of high quality, based on many years of experience which has been gained from teaching, research and troubleshooting. Although a small amount of milk is still sold as ‘untreated’ or raw, the two main heat treatments used for milk sold in the retail sector are pasteurisation and s...
متن کاملMaterial Selection and Heat Treatment
Nom.nel.tuN 110.03 Gear-Tooth Wear and Failure (USAS 86.12-1964) Jan. 1962 DunblJity 21S.JI Information Sheet for Surface Durability (Pitting) of Spur, Helical. Herringbone and Bevel Gear Teeth Sept. 1966 217.01 lntcrrnancn Sheet·Gear Scoring Design GUide for Aerospace Spur and Helical Power Gears Oct. 1965 Strentth 225.Q1 Information Sheet for Strength of Spur. Helical, Hernngbone and Bevel Ge...
متن کاملSimulation of Heat Treatment Distortion
This paper gives an overview of the problem of heat treatment stress and distortion and a review of literature surrounding it. Software developed to predict heat treat distortion is also reviewed. Simulations are presented for a quenched cylinder to demonstrate the capabilities of software available for predicting heat treatment stress and distortion. The software package DANTE was identified a...
متن کاملHeat treatment strengthens human dentin.
The flexural strength of Type I collagen, the major organic component of human dentin, increases with heat. We hypothesized that human dentin can be strengthened by heating, which may help prevent fracture of non-vital teeth after restoration. Beam-shaped dentin specimens were obtained from the crowns of human third molars. The dentinal tubular orientations were arranged to run parallel or perp...
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ژورنال
عنوان ژورنال: Nature
سال: 1993
ISSN: 0028-0836,1476-4687
DOI: 10.1038/364399a0