journal article
LitStream Collection
ALLOY DEVELOPMENT
1985 Industrial Lubrication and Tribology
doi: 10.1108/eb053305
THROUGHOUT recorded history metals have played an important role in the development of civilised life. In fact they have been used as markers for stages in that development hence the terms bronze age and iron age. We would appear to be still living in what could be called the late steel age. In spite of changes in patterns of metal use we shall stay in this age at least well into the 21st century.