case-hardening

I'd learned enough about wootz, case-hardening, pattern-welding, tempering, and the rest to understand that this was high craftsmanship and to appreciate how much I didn't know.

Operation Luna Anderson, Poul, 1926- 1999

The case-hardening has been blown off at the top and about

Chapter 4 1990

Through case-hardening or deficient senses of humor they refrained from giggling while Sillery gave them a measured little speech of welcome about their sad duty and how we wished we could meet them under happier circumstances and so on.

The Space Merchants Pohl, Frederik 1952

The first, second, and fourth properties are clearly detrimental, while the third may possibly be an advantage in reducing checking and "case-hardening."

Seasoning of Wood

It is also evident that in addition to heat and a circulation of air, the air must be charged with a certain amount of moisture to prevent surface drying or case-hardening.

Seasoning of Wood

Bearing in mind that concentrated extracts of vegetable tannins in some circumstances effect a "dead" tannage (_cf_. case-hardening) and hence reduce their practical value, and that for this reason it is impossible to allow either concentrated extracts or concentrated Neradol

Synthetic Tannins Georg Grasser

There are many purposes for which a red heat is needed for slow continuous processes on a small scale, such as case-hardening small steel goods, annealing, heating light steel articles for hardening, and

Scientific American Supplement, No. 430, March 29, 1884 Various

The stock dried in five days showed slight case-hardening, so it was steamed at atmospheric pressure for 36 minutes near the close of the run, with the result that when dried off again the stresses were no longer present.

Seasoning of Wood

Care should be exercised that there is sufficient humidity in the receiving or loading end of the kiln, in order to guard against checking, case-hardening, etc.

Seasoning of Wood

The unequal shrinkage causes internal stresses in the wood as it dries, which results in warping, checking, case-hardening, and honeycombing.

Seasoning of Wood