Bodycote has appointed Anne Quinn as non-executive chairman with effect from 1 Jan.
She is is currently a non-executive director of Smiths Group, having joined the board in 2009.
She has previously held positions as a non-executive director of BOC Group and senior independent director of Mondi plc.
Bodycote announced in March that Alan Thomson intended to step down as chairman and retire as a director once a successor had been identified.
Bodycote said he would step down as chairman and retire as a director on 31 Dec.
At 9:35am: (LON:BOY) Bodycote PLC share price was -5.75p at 945.25p