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single-pan calorimetry

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Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005514
EISBN: 978-1-62708-197-9
... commercial alloys, including adiabatic calorimetry, modulated calorimetry, Calvet calorimetry, single-pan calorimetry, and drop calorimetry. It describes differential scanning calorimetry and differential temperature analysis for measuring transition temperatures such as phase transformation or glass...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006672
EISBN: 978-1-62708-213-6
.... Differential scanning calorimetry measurements can be made in two ways: by measuring the electrical energy provided to heaters below the pans necessary to maintain the two pans at the same temperature (power compensation), or by measuring the heat flow (differential temperature) as a function of sample...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003465
EISBN: 978-1-62708-195-5
... Fig. 2 High-sensitivity T g detection using MDSC. Sample: glass fiber reinforced epoxy-Kevlar/polyimide; sample size: 32.9 mg; method: MDSC 2.5/60 at 1 °C/min; crimped pan; nitrogen gas purge Fig. 3 MDSC separation of T g from enthalpic relaxation. Upper curve: T g ; lower...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006673
EISBN: 978-1-62708-213-6
... at the transition generates a TGA signal. Thermogravimetric analysis instruments consist of two primary components: a microbalance and a furnace ( Fig. 1 ). The sample is suspended from the balance while heated in conjunction with a thermal program. A ceramic or, more often, a platinum sample pan is used...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
... spectrum are known as absorption bands. Sample preparation for DSC analysis includes placing the specimen within a metal pan. The pan can be open, crimped, or sealed hermetically, depending on the experiment. A reference, either in the form of an empty pan of the same type or an inert...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003023
EISBN: 978-1-62708-200-6
.../min (18 °F/min) Differential scanning calorimetry comparison of <italic>T</italic><sub>g</sub> results from sealed and unsealed pans Table 4 Differential scanning calorimetry comparison of T g results from sealed and unsealed pans Resin curing agent or plastic T g , unsealed pan...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003442
EISBN: 978-1-62708-195-5
..., which requires special corrections. Empty aluminum pans are placed in the specimen and reference holders. An inert gas atmosphere, such as nitrogen or argon, is typically used as the blanketing atmosphere. An isothermal baseline is recorded at the lower temperature, and the temperature...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006063
EISBN: 978-1-62708-172-6
... as a function of temperature. This analytical technique is used to aid in the understanding of the thermal properties of coating materials. The DSC instrument ( Fig. 20 ) measures the steady-state difference in energy input to an empty reference pan versus the energy input to a pan containing a sample whose...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006546
EISBN: 978-1-62708-290-7
.... Imag. Sci. Technol. , Vol 42 , Jan 1 , 1998 , p 49 – 62 23. Pan F.X. , Kubby J. , and Chen J.K. , Numerical Simulation of Fluid-Structure Interaction in a MEMS Diaphragm Drop Ejector , J. Micromech. Microeng. , Vol 12 , Jan 2002 , p 70 – 76 10.1088/0960-1317/12/1/311...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005240
EISBN: 978-1-62708-187-0
... lead to massive overestimation of thermal conductivities for temperatures in the transition range. There is a temperature lag between the sample and reference pans in differential thermal analysis (DTA)-type DSC instruments, which causes some uncertainty in the temperature scale for fraction solid...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003033
EISBN: 978-1-62708-200-6
... 25% of the initial fiber mass remains after carbonization, which means that carbon fiber made from these materials is comparatively more expensive than carbon fibers made from other materials. Polyacrylonitrile (PAN) Precursors Polyacrylonitrile (PAN) precursors are the basis for the majority...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.9781627081955
EISBN: 978-1-62708-195-5
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006629
EISBN: 978-1-62708-213-6
... the sample into smaller particles (for example, an agate mortar and pestle may be required) ( Ref 11 ). Large-particle-sized samples can also be ground with a ball mill, jaw crusher, pan crusher, or hammer mill ( Ref 4 ). In a ball mill, a rotating chamber is filled with the sample and stainless steel...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005980
EISBN: 978-1-62708-168-9
... by machining or grinding prior to heat treatment is recommended to eliminate such effects. Fundamentals such as the technique of placing the tools in a high-heat furnace as well as racking and handling methods must be considered as potential causes of shape distortion. Uniform support of pans in a furnace...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003671
EISBN: 978-1-62708-182-5
... a single corrosion mechanism. There is a great need for materials testing, both for research and development of new materials (alloys, high-temperature coatings, refractories, etc.) and processes and to simulate industrial and application environments to understand the interactions that occur...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005950
EISBN: 978-1-62708-166-5
.... This system-oriented approach is promising, because it resolves several issues that cannot even be reproduced by single-step heat treatment simulations and improves the quality of the simulations in other cases. This method necessitates both new material models that can take into account the distortion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006374
EISBN: 978-1-62708-192-4
... precursors: polyacrylonitrile (PAN) or pitch. Fiber properties (shape and dimensions) are normally controlled by the manufacturing process of the fiber. The carbon matrix can be established in many ways. The most common one is by the deposition of pyrolytic carbon directly onto the surfaces of the pores...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.9781627082136
EISBN: 978-1-62708-213-6
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006277
EISBN: 978-1-62708-169-6
.... , Vaithyanathan V. , and Chen L.Q. , Linking Phase-Field Model to CALPHAD: Application to Precipitate Shape Evolution in Ni-Base Alloys , Scr. Mater ., Vol 46 , 2002 , p 401 – 406 10.1016/S1359-6462(02)00013-1 90. Wu K. , Zhou N. , Pan X. , Morral J.E. , and Wang Y...