Percy Gilchrist
British metallurgist
Also known as: Percy Carlyle Gilchrist
Percy Gilchrist (born December 27, 1851, Lyme Regis, Dorset, England—died December 16, 1935, England) was a British metallurgist who, with his better-known cousin Sidney Gilchrist Thomas, devised in 1876–77 a process (thereafter widely used in Europe) of manufacturing in Bessemer converters a kind of low-phosphorus steel known as Thomas steel. In the Thomas-Gilchrist process the lining used in the converter is basic rather than acidic, and it captures the acidic phosphorus oxides formed upon blowing...