Cementations [noun]

If the cementation be continued too long, the steel acquires a darkish fracture, it is more fusible, and incapable of welding.

It is conveyed into reservoirs containing pieces of old iron; the sulphate is thus decomposed into copper of cementation.

It is covered with black blisters, like steel of cementation; whence it has got the name of blistered copper.

This is an easy way of making cast-steel without previous cementation of the iron.

By a blast so tempered at the beginning, the ore gets well calcined, and partially reduced in the way of cementation.

Steel of cementation, or blistered steel and cast steel, are treated under the article Steel.

The Sheffield furnace for making bar or blistered steel, called the furnace of cementation, is represented in fig. 1054.

Another process, called cementation, is also sometimes used.

The most common method of forming steel is by the process of cementation.

It is however possible that the word torrere may somewhere signify cementation, but I have not yet met with an instance of it.