Bearing Steel Technology-Advances and State of the Art in Bearing Steel Quality Assurance: 7th Volume 2007
DOI: 10.1520/stp41653s
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The Development of an Austenitic Stainless Steel Bearing with High Corrosion Resistance and High Nonmagnetic Property

Abstract: Apparatus of the type used in liquid crystal and semiconductor production facilities, medical inspection facilities, and linear motor cars utilize a magnetic field. When operated, either driven or rotated, they may experience a disturbance of the ambient magnetic field. This is more likely to occur if the driven or rotating portion of the apparatus is formed from a magnetic material.In recent years, bearings use in apparatus utilizing a magnetic field were made in precipitation hardening stainless steels such … Show more

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“…The plunger is made of iron, which is a ferromagnetic material. The three other components are made of AISI 440C martensitic stainless steel, which is strongly magnetic but has lower corrosion resistance to seawater than AISI 316L austenitic stainless steel [21]. The gaps within the submersible solenoid valve, for example, the gap between the coil and the magnetic ring, are filled with conduction oil in order to transfer heat power and prevent high-pressure seawater crush the valve.…”
Section: Mathematical Model Of Solenoid Valvementioning
confidence: 99%
See 1 more Smart Citation
“…The plunger is made of iron, which is a ferromagnetic material. The three other components are made of AISI 440C martensitic stainless steel, which is strongly magnetic but has lower corrosion resistance to seawater than AISI 316L austenitic stainless steel [21]. The gaps within the submersible solenoid valve, for example, the gap between the coil and the magnetic ring, are filled with conduction oil in order to transfer heat power and prevent high-pressure seawater crush the valve.…”
Section: Mathematical Model Of Solenoid Valvementioning
confidence: 99%
“…Substituting (18) into (16), (19) and (20) into (17) respectively, the magnetic permeability of , and can be expressed as functions of , , and as follows: (23) Substituting (15), (21), (22) and (23) into (13) and (14), rewrite them as follows: (24) As shown in (24), the system of equations, consisted of two unknown quantities and , are solvable. The electromagnetic force can be expressed as (25) The magnetic flux depends on the variation of the distance of the air gap according to (24).…”
Section: B Electromagnetic Modelmentioning
confidence: 99%