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The company was founded in 1881 by Jujiro Motegi under the name Komyosha (Yamato Jujiro Shoten). In 1898, the company was incorporated and renamed Nippon Paint Manufacturing and in 1927 the company's name was changed to Nippon Paint. [5] In 1954, Nippon Paint established a 50/50 joint venture with Bee Chemical. In 2006, it became a wholly owned ...
Spalling occurs in preference to brinelling, where the maximal shear stress occurs not at the surface, but just below, shearing the spall off. One of the simplest forms of mechanical spalling is plate impact, in which two waves of compression are reflected on the free-surfaces of the plates and then interact to generate a region of high tensile ...
Spallation can occur when a tensile stress wave propagates through a material and can be observed in flat plate impact tests. It is caused by an internal cavitation due to stresses, which are generated by the interaction of stress waves, exceeding the local tensile strength of materials.
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Volume solid is the term that indicates the solid proportion of the paint on a volume basis. For example, if the paint is applied in a wet film at a 100 μm thickness and the volume solid of paint is 50%, then the dry film thickness (DFT) will be 50 μm as 50% of the wet paint has evaporated.
In a normal bearing the surfaces are separated by a layer of oil, this is known as elastohydrodynamic (EHD) lubrication.If the thickness of the EHD film is of the same order of magnitude as the surface roughness, the surface topography is able to interact and cause micro pitting.
After building of a new refractory-lined industrial furnace or equipment, or refractory maintenance or relining of existing equipment, a necessary step is the start-up of the operation, which usually involves heating-up the unit in a controllable way, in order to prevent spalling or shortening of the materials' predicted lifetime.
Jotun merged with three other paint producers in 1971 and became not only Norway's largest paint producer but also one of the largest companies in Norway. [4] As of January 2021, the company has a presence in more than 100 countries around the world, with more than 10,000 employees, 67 companies in 45 countries, and 40 production facilities in ...