Search results for keyword: lumps
accelerated depreciation method
Depreciation is an accounting concept that is used to allocate the cost of a tangible or intangible asset over its expected useful life. The process of depreciation pumps cash from the business profit and loss statement to the balance sheet, thereby transferring the cost from the income statement ......
08/07/2023 
1039 
Hazel
Liquid carbides of special steels
Pyrolysis of Special Steel to Produce Carbon
Special steel is a unique type of steel alloy that is developed for specific uses in various industries. The properties of special steel depend heavily on the composition and microstructure of the alloy and on the accompanying manufacturing processes. ......
Metallographic diagram of rod-like bainite GCr15 (460°C water cooling)
Abstract
This article analyzes the microstructure of GCr15 in a bar-shaped specimen after it was quenched in water at 460 ℃. It was found that the microstructure of this specimen is of ferrite and pearlite pattern. The hardness of the sample is 740 Hv. The fine particles of carbide in the pearli......
Metallographic diagram of 30CrMnSiA
30CrMnSiA is a low-alloy hot rolled steel with medium to high strength, excellent heat-resistant properties, and good cold-formed properties. This type of steel is widely used in the manufacture of parts requiring increased strength and corrosion resistance, such as automobile, railway, and aircra......
Metallographic diagram of 40Cr (forged)
Fig. 1 is the metallographic image of AISI 40Cr(Forging). It can be seen from the figure that the sample is made of carbide, pearlite and ferrite, as well as a small amount of martensite. The sample is sectioned from the center part of the forging with a plane perpendicular to the rolling directio......
glitch
The term “burrs” refers to the raised protrusions that can form on a variety of materials, most commonly metals. Burrs are usually caused by machining, filing, grinding, or welding, and have rough edges that can cause irritation and even injury if not taken care of properly. In certain situation......
The characteristics and causes of central porosity
Determination of the Characteristics and Causes of Central Cavitation in Concrete
Abstract
Central cavitation is a form of spalling in concrete that occurs when water and other substances trapped in concrete aggregates dissolve and escape from this trapped environment. This phenomenon is known to ......
Corrosion Mechanism of Magnesia Carbon Bricks in Working Layer of Converter Lining
Overview
Magnesite carbon brick lining in the rotary kiln plays an important role in protecting it from the thermal erosion caused by slags, coke, crude oil or other high temperature substances. The wear and tear of magnesite carbon brick lining is caused by its erosion from the molten slag, coke ......
stirring leaching
Mixing and Leaching
Mixing and leaching are two important processes used in many industries for chemical and biological extraction. Mixing is a process in which two or more substances are blended together in order to produce a homogenous mixture. Leaching is a process in which a solvent is used t......
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