1-20 of 125 Search Results for

isothermal temperature coefficient

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Book Chapter

Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003799
EISBN: 978-1-62708-183-2
... Abstract This article discusses a tool for the conversion of measurements made against various reference electrodes at different temperatures. It reviews different electrode potential temperature coefficients, namely, isothermal temperature coefficient and thermal temperature coefficient. The...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003985
EISBN: 978-1-62708-185-6
... isothermal forging HOT-DIE FORGING AND ISOTHERMAL FORGING are unique forging methods developed initially for the aerospace industry. Both methods can provide net-shape (NS) or near-net-shape (NNS) forgings. These techniques take advantage of maintaining the die temperature at or near the stock...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009010
EISBN: 978-1-62708-185-6
...-tension test data, which helps to gain information on a number of material parameters and material coefficients. It details the effect of test conditions on flow behavior. The article briefly describes the detailed interpretation of data from the isothermal hot-tension test using numerical model. It also...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005929
EISBN: 978-1-62708-166-5
... first type uses atmosphere austenitizing followed by salt quench and the second type employs austenitizing salt baths with rapid transfer to the quench salt. The article provides a detailed account on the construction, advantages and disadvantages, and limitations of isothermal quenching furnaces...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003239
EISBN: 978-1-62708-199-3
... inspection and many types of temperature-measuring devices and substances, this article focuses only on thermography, which is the mapping of isotherms, or contours of equal temperature, over a test surface, and on thermometry, which is the measurement of temperature. Thermography techniques can be...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... Abstract High-temperature corrosion can occur in numerous environments and is affected by various parameters such as temperature, alloy and protective coating compositions, stress, time, and gas composition. This article discusses the primary mechanisms of high-temperature corrosion, namely...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006289
EISBN: 978-1-62708-169-6
... electrical conductivity of alloy 2024 samples as a function of aging time at different isothermal holding temperatures. aging aluminum alloys eddy-current conductivity measurement electrical conductivity hardness HEAT TREATMENT OF ALUMINUM ALLOYS is assessed by various quality-assurance methods...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004032
EISBN: 978-1-62708-185-6
... a lamellar hexagonal structure with individual layers held together with weak van der Waal forces. It has low friction coefficient and thermal stability to very high temperatures (2000 °C, or 3630 °F, and higher); however, in the forging application the temperature window is limited to a range of...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003195
EISBN: 978-1-62708-199-3
... different types of such diagrams can be distinguished. These include: Isothermal transformation diagrams describing the formation of austenite, which will be referred to as ITh diagrams Isothermal transformation (IT) diagrams, also referred to as time-temperature-transformation (TTT) diagrams...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006250
EISBN: 978-1-62708-169-6
.... annealing castings deformation diffusion coefficient grain growth heat treatment heterogeneous nucleation homogeneous nucleation homogenization isothermal transformation nonferrous metals precipitation hardening recrystallization recrystallization temperature solid-state phase transformation...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004025
EISBN: 978-1-62708-185-6
... temperature for some commonly used metals. Fig. 15 Differential scanning calorimetry cell Fig. 16 Specific heat versus temperature for selected nonferrous alloys (a) and steels (b). Source: Ref 12 The coefficient of thermal expansion (CTE) is simply a measurement of the strain...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009013
EISBN: 978-1-62708-185-6
... indentation, hot tensile (σ f , A f ) Forging Hot shortness, center bursts, triple-point cracks/fracture, grain-boundary cavitation/fracture, shear bands/fracture Wedge forging, side pressing, isothermal tensile or compressive, temperature-cycling tensile Closed-die forging Laps or buckles, die...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005415
EISBN: 978-1-62708-196-2
... temperature and pressure. To present them in tractable forms for practical modeling, one generally must (1) choose appropriate base functions to represent these quantities, and (2) determine the coefficients in the base functions by fitting the free energy and mobilities to thermodynamic and mobility...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005968
EISBN: 978-1-62708-166-5
... well as the importance of time, and temperature control in heat treatment. Temperature Uniformity Survey, a testing procedure intended to map variations in temperature throughout the furnace work zone, helps in precise control of temperature. The article focuses on the measuring instruments used to...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
... term given to the material damage accumulation process that occurs with simultaneous changes in temperature and mechanical loading. During this process, a whole range of damage mechanisms occur, and interactions usually take place that do not take place in isothermal fatigue. The principal challenges...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009009
EISBN: 978-1-62708-185-6
... temperature. The use of a heated guard ring box ( Fig. 3 ) minimizes heat loss in inserting the compression specimen into the testing machine. Other ideas for conducting tests isothermally are given in Ref 4 and Ref 5 . Fig. 3 Guard-ring box, with specimen in position. 1 in. = 25.4 mm. Source: Ref 4...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003842
EISBN: 978-1-62708-183-2
... temperatures. The durability of ceramics is studied with a variety of techniques. Isothermal oxidation studies in air can be carried out in a simple box furnace. Formation of a protective surface oxide results in a weight gain, with oxidation kinetics determined by weight gain as a function of time...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003023
EISBN: 978-1-62708-200-6
... (PSU) 174 345 140 285 0.26 0.15 31 Styrene-maleic anhydride (S/MA) terpolymer 103 215 80 175 … … … Thermoset resins (neat) Heat deflection temperature at 1.82 MPa (0.264 ksi) Continuous service temperature Thermal conductivity Coefficient of thermal expansion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003164
EISBN: 978-1-62708-199-3
... Abstract Alloys based on ordered intermetallic compounds constitute a unique class of metallic material that form long-range ordered crystal structures below a critical temperature. Aluminides, a unique class of ordered intermetallic materials, possesses many attributes like low densities, high...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005189
EISBN: 978-1-62708-187-0
... the heat flux (J · m −2 · s −1 ), h is the convective heat transfer coefficient (J · m −2 · s −1 · K −1 ), T L B is the temperature of the bulk liquid (in degrees Kelvin), T L * is the melting point temperature of the alloy at the solid/liquid interface (in degrees Kelvin...