Search results for keyword: coefficients
Heavy non-ferrous materials
Heavy Metal Materials
Heavy metals are a class of elements with a high atomic weight and a density greater than that of the most common metals. They are usually toxic to humans and the environment at high levels of exposure. Metals like lead, mercury, chromium and cadmium would be included in thi......
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Molybdenum-rhenium alloy
Molybdenum-rhenium alloys are a group of specialr metals that have many uses, especially in aerospace and similar industries. They have unique low-temperature strength characteristics and are frequently used in components that need to withstand extreme temperatures. The chemistry of these material......
Particle expansion coefficient
The thermal expansion coefficient, or “coefficient of thermal expansion,” is a physical property of materials that expresses the amount of change in a material’s size or volume as a result of changing temperature. The coefficient of thermal expansion is linear per degree of temperature change, ......
Fundamentals and Applications of Carbon and Graphite Materials
Carbon and Graphite Materials: Basics and Applications
Carbon and graphite materials have been used for centuries for a vast array of applications. These materials have unique properties that make them highly desirable for a variety of applications, from industrial and scientific to everyday use.......
Refractories for soaking furnace
Resistant Materials for Average-Temperature Furnaces
Average-temperature furnaces are used in a wide range of high-temperature processing operations such as heat treating, annealing, and brazing. Since furnace temperatures can easily reach 1600°C (2900°F), the number one priority for such indus......
Workability of monolithic refractories
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Fireproof material workability
Fireproof material workability is an important consideration when designing and constructing a building or structure. Fireproof materials provide greater resistance to fire than other materials and must be evaluated both on the basis of their mechanical and therma......
emissivity
When discussing the subject of radiation-emitting sources, the concept of emission rate is a fundamental one. The emission rate denotes the amount of energy or particles some source emits in a given time, and it is often expressed as a radiation intensity. In the case of radiation-producing source......
organic solvent extraction
独立论文 Solvent Extraction Method for Organic Compounds
Abstract
Solvent extraction is a widely used separation process in chemistry, biochemistry and analytical chemistry. It is a method of separating components of a mixture on the basis of their relative solubilities in two different immiscibl......
Rare earth zinc magnesium ferrosilicon alloy
Introduction
Rare earths are elements with atomic numbers of 57 through 71. Also known as lanthanides, these elements range from lanthanum to lutetium and include scandium and yttrium. The associated elements are found in some high-purity industrial and consumer products. Zinc, magnesium, silicon ......
Shrinkage of non-ferrous alloys
内容
Introduction
The thermal expansion of metals is a phenomenon whereby metals, upon exposure to an increase in temperature, increase in length, generally much greater than other materials. The rate at which a metal expands and contracts with changes in temperature is commonly referred to as its......
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