William Herbert Hatfield

William Herbert Hatfield (10 April 1882 – 16 October 1943) was an English metallurgist who contributed to the development of stainless steel.^[1]

Early life

Hatfield was born in Sheffield on 10 April 1882 and studied metallurgy at University College, Sheffield, being awarded the Mappin Medal in 1902. In 1907 he married Edith Seagrave. In 1913 his research resulted in the award of the degree of Doctor of Metallurgy.^[1]

Career

Hatfield was appointed Director of the Brown - Firth Research Laboratories in Sheffield in 1916 (succeeding Harry Brearley and continuing Brearley's work on stainless steel), and later joined the Board of Messrs Thomas Firth and John Brown Limited.

Hatfield is credited with the invention in 1924 of 18/8 stainless steel (18% chromium, 8% nickel); he also invented 18/8 stainless with titanium added, now known as 321.^[2]

In 1940 he devised "Rex 78", a stainless steel alloy for use in Frank Whittle's turbojet engine project, the material being first used in the Power Jets W.1.^[3]

He authored a variety of technical papers on metallurgy, with particular reference to rust, acid and heat-resistant steels and cast iron.^[4]

There is an Annual memorial lecture held in December each year at Sheffield University, called the "Hatfield Memorial Lecture" funded by a Trust set up in 1944. The lecture subject is related to metallurgy.^[5]

References

^ ^a ^b Desch, C. H. (1944). "William Herbert Hatfield. 1882-1943". Obituary Notices of Fellows of the Royal Society. 4 (13): 616. doi:10.1098/rsbm.1944.0012. JSTOR 768852.
^ "The stainless steel advantage". Fila-sa.com; Our Know How : Stainless Steel. Archived from the original on 31 October 2007. Retrieved 27 April 2008.
^ "Gas turbine materials". Flight. 24 August 1951. p. 231. Retrieved 22 April 2018.
^ "The Hatfield Memorial Lecture". University of Sheffield. Retrieved 27 April 2008.
^ The Hatfield Memorial Lecture at hatfield-memorial-lecture.group.shef.ac.uk

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