nickel-rich alloy
11Beryllium copper — (BeCu), also known as copper beryllium, beryllium bronze and spring copper, is a copper alloy with 0.5 3% beryllium and sometimes with other alloying elements. Beryllium copper combines high strength with non magnetic and non sparking qualities.… …
12Invar — Invar®, also known generically as FeNi36 (64FeNi in the US), is a nickel steel alloy notable for its uniquely low coefficient of thermal expansion (CTE or α). It was invented in 1896 by Swiss scientist Charles Édouard Guillaume. He received the… …
13History of ferrous metallurgy — Iron (material) redirects here. For the chemical element Fe, see Iron. Bloomery smelting during the Middle Ages. The history of ferrous metallurgy began far back in prehistory. The earliest surviving iron artifacts, from the 5th millennium BC in… …
14Aluminium bronze — with 20% Aluminium, V=50:1 Aluminium bronze is a type of bronze in which aluminium is the main alloying metal added to copper, in contrast to standard bronze (copper and tin) or brass (copper and zinc) . A variety of aluminium bronzes of… …
15technology, 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… …
16Mikoyan-Gurevich MiG-25 — MiG 25 Role Interceptor and reconnaissance aircraft Manufacturer Mikoyan Gurevich OKB …
17Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …
18Ataxite — Ataxites are a class of iron meteorites. They are composed mainly of the alloy taenite, and also contain plessite, troilite, and microscopic lamellae of kamacite. They have no visible Widmanstätten pattern. Ataxites are the most nickel rich… …
19Klerksdorp Spheres — The Klerksdorp Spheres are small, often spherical to disc shaped, objects, which have been collected by miners and rockhounds from 3.0 billion year old pyrophyllite deposits mined by Wonderstone Ltd., near Ottosdal, South Africa. These objects… …
20Klerksdorp sphere — Klerksdorp spheres are small objects, often spherical to disc shaped, that have been collected by miners and rockhounds from 3 billion year old pyrophyllite deposits mined by Wonderstone Ltd., near Ottosdal, South Africa. They have been cited by… …
