Glossary Archive
by Joseph
Glossary – Q
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z quality (1) The totality of features and characteristics of a product or service that bear on its ability to satisfy a given need (fitness-for-use concept of quality). (2)…
by Joseph
Glossary – P
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z pack carburizing A method of surface hardening of steel in which parts are packed in a steel box with a carburizing compound and heated to elevated temperatures. This…
by Joseph
Glossary – O
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z offhand grinding Grinding where the operator manually forces the wheel against the work, or vice versa. It often implies casual manipulation of either grinder or work to achieve…
by Joseph
Glossary – N
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z nanohardness test An indentation hardness testing procedure, usually relying on indentation force versus tip displacement data, to make assessments of the resistance of surfaces to penetrations of the…
by Joseph
Glossary – M
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z machinability The relative ease of machining a metal. machinability index A relative measure of the machinability of an engineering material under specified standard conditions. Also known as machinability…
by Joseph
Glossary – L
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z lack of fusion (LOF) A condition in a welded joint in which fusion is less than complete. lack of penetration (LOP) A condition in a welded joint in…
by Joseph
Glossary – K
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z karat A unit for designating the fineness of gold in an alloy. In this system, 24 karat (24 k) is 1000 fine or pure gold. The most popular…
by Joseph
Glossary – J
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z jaw crusher A machine for the primary disintegration of metal pieces, ores, or agglomerates into coarse powder. jig A mechanism for holding a part and guiding the tool…
by Joseph
Glossary – I
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z IACS International annealed copper standard; a standard reference used in reporting electrical conductivity. The conductivity of a material, in %IACS, is equal to 1724.1 divided by the electrical…
by Joseph
Glossary – H
A B C D E F G H I J K L M N O P Q R Sa-Sq St-Sy T U V W X Y Z habit plane The plane or system of planes of a crystalline phase along which some phenomenon, such as twinning or transformation, occurs. Hadfield steel See austenitic manganese steel….