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The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron.
Bessemer licensed the patent for his process to five ironmasters, but from the outset, the companies had great difficulty producing good-quality steel. [19] Mr Göran Fredrik Göransson , a Swedish ironmaster, using the purer charcoal pig iron of that country, was the first to make good steel by the process, but only after many attempts.
Göran Fredrik Göransson (20 January 1819 – 12 May 1900) was a Swedish merchant, ironmaster and industrialist.He was the founder of the company Sandvikens Jernverks AB (now called Sandvik AB) and was the first person to implement the Bessemer process successfully on an industrial scale and pioneered ingot steel in the Swedish iron and steel industry.
The earliest known glass objects, of the mid 2,000 BCE, were beads, perhaps initially created as the accidental by-products of metal-working or during the production of faience, a pre-glass vitreous material made by a process similar to glazing. [n 1] Glass products remained a luxury until the disasters that overtook the late Bronze Age ...
A reluctant patentor, and in this instance still working through some problems in his method, Nasmyth abandoned the project after hearing of Bessemer's ideas in 1856. Bessemer, however, acknowledged the efforts of Nasmyth by offering him a one-third share of the value of his patent for the eponymous Bessemer process. Nasmyth turned it down as ...
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Process patterns can be defined as the set of activities, actions, work tasks or work products and similar related behaviour followed in a software development life cycle. [ 1 ] Process patterns can be more easily understood by dividing it into terms: "Process", which means the steps followed to achieve a task and "patterns", which means the ...
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