Investigations of Ferromagnetic Impurities. I

Constant, F. W.; Faires, R. E.; Lenander, H. E.

doi:10.1103/physrev.56.373

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2009

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Cited by 17 publications

(2 citation statements)

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“…Steel cutting tools will deposit iron onto the surface of the samples. This risk has been recognized in previous work [15][16][17][18], but has not been studied quantitatively.…”

Section: Surface Contaminationmentioning

confidence: 93%

Low magnetic susceptibility materials and applications in magnetic gradiometry

Sunderland

Blair

et al. 2009

Smart Mater. Struct.

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“…Steel cutting tools will deposit iron onto the surface of the samples. This risk has been recognized in previous work [15][16][17][18], but has not been studied quantitatively.…”

Section: Surface Contaminationmentioning

confidence: 93%

Low magnetic susceptibility materials and applications in magnetic gradiometry

Sunderland

Blair

et al. 2009

Smart Mater. Struct.

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“…Constant and Formwalt measured the remanent magnetic moment of a series of metals [5]. Measurements were taken of both the commercial grade metal and the chemically pure metal.…”

Section: Prior Workmentioning

confidence: 99%

Reducing the magnetic susceptibility of parts in a magnetic gradiometer

Sunderland,

Ju,

McRae

et al. 2007

Preprint

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In this paper we report a detailed investigation of a number of different materials commonly used in precision instrumentation in the view of using them as critical components in the magnetic gradiometer. The materials requirement inside a magnetic gradiometer is stringent because the presence of magnetic susceptible material will introduce intrinsic errors into the device. Many commercial grade non-magnetic materials still have unacceptably high levels of volume magnetic susceptibility between 10 −3 and 10 −4 . It is shown here that machining with steel tools can further increase the susceptibility by up to an order of magnitude. The ability of an acid wash to remove this contamination is also reported. Washing in acid is shown to reduce the variation of volume susceptibility in several commercial grade plastics which already have low values of susceptibility.

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Hard Magnetic Materials

Cullity

Graham

2008

Introduction to Magnetic Materials

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Investigations of Ferromagnetic Impurities. I

Cited by 17 publications

References 1 publication

Low magnetic susceptibility materials and applications in magnetic gradiometry

Low magnetic susceptibility materials and applications in magnetic gradiometry

Reducing the magnetic susceptibility of parts in a magnetic gradiometer

Hard Magnetic Materials

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