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스텐레스 강 부식에 대한 설명 2017.04.11해당카페글 미리보기
절연 물체를 사이에 설치(cf. 절연행가 및 플랜지등)하여 직접적 접촉이 되지 않도록 하는 것이 좋다. 2.4.4 공식(Pitting Corrosion) Pitting은 부동태 피막을 파괴시킬 수 있는 높은 염소 이온 농도가 존재하는 분위기 하에서 스테인레스강이 놓일 때...
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스테인리스(STS)강 2017.02.06해당카페글 미리보기
몰리브데늄계 산화물이 고용 되어 매우 치밀하고 소지금속과 밀착성이 좋은 부동태 피막을 형성하여 공식(pitting) 및 틈새부식 (crevice corrosion) 저항성이 우수하다. Mo이 첨가된 스테인레스강은 소금과 같은 염분이 함유 된 분위기에 노출되면 부동태...
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1/17 :화요일 2017.01.15해당카페글 미리보기
bitterness, corrosion. The belt was of course my father’s leather belt, with which he would administer punishment. Sometimes he’d send a warning by removing the belt slowly, folding it in half and yanking at the ends so that the two...
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Identification of Corrosion Products 2016.12.08해당카페글 미리보기
may spread beneath paint causing blistering of flaking. (C) The surface will appear motted or etched with pitting as the corrosion attack advances. (D) Swelling or bulging of skins, pulled or popped rivets are often visual indications of...
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Crevice corrosion 2016.11.23해당카페글 미리보기
of crevices or at least keeping them as open as possible. Crevice corrosion is a very similar mechanism to pitting corrosion; alloys resistant to one are generally resistant to both. Crevice corrosion can be viewed as a less severe form...
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Pitting corrosion 2016.11.23해당카페글 미리보기
the free encyclopedia Pitting corrosion, or pitting, is a form of extremely localized corrosion that leads to the creation of small holes in the metal. The driving power for pitting corrosion is the depassivation of a small area, which...
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Concentration cell 2016.11.23해당카페글 미리보기
Rapid pitting of the active metal will result. See also[edit] Liquid junction potential Electrochemical potential Membrane potential Thermogalvanic cell Activity coefficient References[edit] Jump up^ Almost any textbook on physical...
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부식 2016.11.23해당카페글 미리보기
Corrosion removal 3 Resistance to corrosion 3.1 Intrinsic chemistry 3.2 Passivation 4 Corrosion in passivated materials 4.1 Pitting corrosion 4.2 Weld decay and knifeline attack 4.3 Crevice corrosion 5 Microbial corrosion 6 High...
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Oil refinery 2016.11.09해당카페글 미리보기
as US$3.7 billion per year.[11][12] Corrosion occurs in various forms in the refining process, such as pitting corrosion from water droplets, embrittlement from hydrogen, and stress corrosion cracking from sulfide attack.[13] From a...
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공동현상 2016.11.01해당카페글 미리보기
The pitting caused by the collapse of cavities produces great wear on components and can dramatically shorten a propeller or pump's lifetime. After a surface is initially affected by cavitation, it tends to erode at an accelerating pace...