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Brinell, Johann August

Born: 1849 AD
Died: 1925 AD
2.6 (51.43%) 14 votes

1849 – Born on November 21st in Bringetofta, Sweden. Swedish metallurgist, engineer and developer of the Brinell hardness test and equipment.

1900 – He first demonstrated his idea at the Paris Exhibition, the test provides a hardness number or rating based on pressing a standard size steel ball into a metal specimen using a known force.

         – Johann August Brinell develops a test to estimate the hardness of metals that involves pressing a steel ball or diamond cone against the specimen.

1903 – Brinell was chief engineer of the Swedish Ironmasters Association.

1925 – Died on November 17th in Stockholm.

2.6 (51.43%) 14 votes