Title: Method of manufacturing a magnetic field sensitivity indicator apparatus for evaluating magnetic fields in parts during magnetic particle inspection

Abstract: The method of manufacture and use of a magnetic field sensitivity indicator apparatus for evaluating magnetic fields applied to ferromagnetic material parts during magnetic particle inspection utilizing known defect indicators to establish the strength and direction of magnetic fields in the parts under test.

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Inventors: Marsh, Gilbert L. (Parker County, TX, US)

Application Number: 886307
Filing Date: 1978-03-13
Publication_date: 1979-10-30
Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC)
Primary Class(es): 29/412 29/417, 29/592.1, 228/174, 324/202, 324/216
Other Classes:
US Patent Ref:

3582772	Jun, 1971	Hammer	324/202.
3591915	Jul, 1971	Roberts et al.	29/417.
3718855	Feb, 1973	Rogel et al.	324/202.

Other Refs:
Primary Examiner: Husar, Francis S.
Assistant Examiner: Crane, Daniel C.
Attorney: Rusz; Joseph E., Stephanishen; William