Testing History (1) Flashcards
1
Q
Michael Faraday
A
1831 discovery of electromagnetic induction
2
Q
Joseph Henry
A
1831 discovered process of self-induction
3
Q
Heinrich E. Lenz
A
1831 “Lenz Law” (right hand rule)
4
Q
Samuel H. Christie
A
1833 diamond-shaped electrical circuit for comparing resistance of wires of varying cross-sectional thickness
5
Q
Charles Wheatstone
A
1843 balance for electrical resistance in a wire using diamond-shaped circuit (Christie)
6
Q
Leon Foucault
A
1851 existence of Eddy Currents
7
Q
James Clerk Maxwell
A
1865 electric and magnetic fields travel in space as waves at the speed of light
8
Q
David E. Hughes
A
1879 properties change in a coil. when it is contacting metals of different values of conductivity and permeability
9
Q
Friedrich Forester
A
- Father of modern-day-eddy-current-testing
- 1937 effect of earths magnetic field on a coil
- 1948 developed industrial EC test equipment
