Latin Word of the Week (February 28, 2009): AD To, Toward. The prefix AD, which in Latin means to or toward, occurs in literally hundreds of common English words. In many of those words it retains the spelling AD, in many others the D assimilates to the first letter of the root word. For example, the word assimilate which I just used.
The most probable mechanism, responsible for fibril length and diameter increase, is the fusion of fibrils; fusion may occur at the tapered ends through lateral association, giving rise to longer fibrils and this is considered the former fusion to take place.
Hydrogen Induced Cracks (HIC). Hydrogen embrittlement is the process by which metals such as steel become brittle and fracture due to the introduction and subsequent diffusion of hydrogen into the metal. This is often a result of accidental introduction of hydrogen during forming and finishing operations.his de-embrittlement process, known as baking, is used to overcome the weaknesses of methods such as electroplating which introduce hydrogen to the metal, but is not always entirely effective.