soft alloy layer
81Ferritic 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… …
82Metalworking — Machining a bar of metal on a lathe. Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts… …
83Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …
84Wolfson Centre for Magnetics — (WCM) is a research and knowledge centre operating within School of Engineering at Cardiff University. TOC ResearchWCM is a centre for research, teaching and technology transfer over a wide spectrum of magnetics, including magnetic engineering,… …
85Common elements of Final Fantasy — Articleissues cleanup = May 2008 importance = April 2008 refimprove = April 2007Though each Final Fantasy story is independent, many themes and elements of gameplay recur throughout the series. Some spin off titles have cameo appearances of… …
86RA90 — The RA90 disk drive was the first Digital Equipment Corporation drive to be based on thin film technology. Prior to the RA90 all Digital disk drives used oxide disks, which were an aluminum disk coated with a polyurethane binder resin containing… …
87Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
88M18 Claymore mine — M18A1 Claymore mine The M18A1 Claymore mine with the plastic trigger and detonator wire Type Direction fragmentation anti personnel mine …
89Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… …
90gold — /gohld/, n. 1. a precious yellow metallic element, highly malleable and ductile, and not subject to oxidation or corrosion. Symbol: Au; at. wt.: 196.967; at. no.: 79; sp. gr.: 19.3 at 20°C. 2. a quantity of gold coins: to pay in gold. 3. a… …
