surface-hardening steel
41Blacksmith — For other uses, see Blacksmith (disambiguation). Blacksmith A blacksmith at work Occupation …
42Handloading — or reloading is the process of loading firearm cartridges or shotgun shells by assembling the individual components (case/shotshell, primer, powder, and bullet/shot), rather than purchasing completely assembled, factory loaded cartridges.… …
43Rolling (metalworking) — A rolling schematic In metalworki …
44Ferritic nitrocarburizing — Not to be confused with Carbonitriding. Ferritic nitrocarburizing is a range of case hardening processes that diffuse nitrogen and carbon into ferrous metals at sub critical temperatures. The processing temperature ranges from 525 °C… …
45technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
46Blade — For other uses, see Blade (disambiguation). Knife blades A blade is that portion of a tool, weapon, or machine with a cutting edge and/or a pointed tip that is designed to cut and/or puncture, stab, slash, chop, slice, thrust, or scrape animate… …
47hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
48Strengthening mechanisms of materials — Methods have been devised to modify the yield strength, ductility, and toughness of both crystalline and amorphous materials. These strengthening mechanisms give engineers the ability to tailor the mechanical properties of materials to suit a… …
49Metalworking terminology — This article is a list of terms commonly used in the practice of metalworking. Contents 1 Processes 1.1 Casting 1.2 Forge work 1.3 Heat treating …
50Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …
