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  2. Strain hardening exponent - Wikipedia

    en.wikipedia.org/wiki/Strain_hardening_exponent

    Strain hardening exponent. The strain hardening exponent (also called the strain hardening index), usually denoted , is a measured parameter that quantifies the ability of a material to become stronger due to strain hardening. Strain hardening (work hardening) is the process by which a material's load-bearing capacity increases during plastic ...

  3. Work hardening - Wikipedia

    en.wikipedia.org/wiki/Work_hardening

    The stress at initial yield is σ0. Work hardening, also known as strain hardening, is the process by which a material's load-bearing capacity (strength) increases during plastic (permanent) deformation. This characteristic is what sets ductile materials apart from brittle materials. [1] Work hardening may be desirable, undesirable, or ...

  4. 5086 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/5086_aluminium_alloy

    5086 aluminium alloy. 5086 aluminium alloy is an aluminium–magnesium alloy, primarily alloyed with magnesium. It is not strengthened by heat treatment, instead becoming stronger due to strain hardening, or cold mechanical working of the material. Since heat treatment doesn't strongly affect the strength, 5086 can be readily welded and retain ...

  5. Hardening (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Hardening_(metallurgy)

    Hardening (metallurgy) Hardening is a metallurgical metalworking process used to increase the hardness of a metal. The hardness of a metal is directly proportional to the uniaxial yield stress at the location of the imposed strain. A harder metal will have a higher resistance to plastic deformation than a less hard metal.

  6. Alcoa Aluminum Alloy Drill Pipe (AADP®) Selected by ... - AOL

    www.aol.com/news/2013-01-16-alcoa-aluminum-alloy...

    NEW YORK--(BUSINESS WIRE)-- Alcoa Oil & Gas, an Alcoa (NYS: AA) business, will supply 5,300 meters (17,400 feet) of Aluminum Alloy Drill Pipe (AADP®) to Fugro McClelland Marine Geosciences of ...

  7. 6061 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/6061_aluminium_alloy

    Electrical properties. Volume resistivity (ρ) 32.5–39.2 nOhm·m. 6061 aluminium alloy (Unified Numbering System (UNS) designation A96061) is a precipitation-hardened aluminium alloy, containing magnesium and silicon as its major alloying elements. Originally called "Alloy 61S", it was developed in 1935. [ 2 ]

  8. Flow stress - Wikipedia

    en.wikipedia.org/wiki/Flow_stress

    Flow stress. In materials science the flow stress, typically denoted as Yf (or ), is defined as the instantaneous value of stress required to continue plastically deforming a material - to keep it flowing. It is most commonly, though not exclusively, used in reference to metals. On a stress-strain curve, the flow stress can be found anywhere ...

  9. Cryogenic treatment - Wikipedia

    en.wikipedia.org/wiki/Cryogenic_treatment

    A cryogenic treatment is the process of treating workpieces to cryogenic temperatures (typically around -300°F / -184°C, or as low as −190 °C (−310 °F)) in order to remove residual stresses and improve wear resistance in steels and other metal alloys, such as aluminum. In addition to seeking enhanced stress relief and stabilization, or ...

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