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magnetic phase transition temperatures

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Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006248
EISBN: 978-1-62708-163-4
... Abstract This article provides a table that lists the magnetic phase transition temperatures of various chemical elements. chemical elements magnetic phase transition temperatures MAGNETIC PHASE TRANSITION, and other higher-order transitions of the chemical elements, is discussed in...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005441
EISBN: 978-1-62708-196-2
... structures, and magnetic phase transition temperatures of the elements. physical constants standard atomic weight melting point atomic size parameter heat of transition thermal properties temperature-dependent allotropic structure physical properties pressure-dependent allotropic structure...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003267
EISBN: 978-1-62708-176-4
.... Two important properties of polymers are the melting temperature, T m , and the glass transition temperature, T g , both of which indicate the occurrence of a phase change. The glass transition temperature, the most important material characteristic related to the mechanical properties of polymer...
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: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005434
EISBN: 978-1-62708-196-2
... reactor inlet to the substrate, the precursor molecules undergo chemical transformations that may drastically change the composition of the gas phase. As a rule of thumb, the higher the pressure and temperature, the higher the importance of homogeneous reactions. To perform reliable simulations of CVD...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006057
EISBN: 978-1-62708-175-7
... of phase diagrams. Single-phase alloys are most commonly selected. Soft magnets should be made of single-phase compositions of high purity. Second phases affect structure-sensitive magnetic properties over time from aging. At high sintering temperatures, iron dissolves carbon and nitrogen...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006221
EISBN: 978-1-62708-163-4
... − % A α % A β − % A α ) 100 At composition Y the percentage of β phase is: (Eq 13) % β  phase = ( 40 − 25 65 − 25 ) 100 = 37.5 % The percentage of α phase is the difference between 100% and 37.5%, or 62.5%. Magnetic transitions...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006650
EISBN: 978-1-62708-213-6
.... 2 . The magnetic field splits the nuclear energies into multiple states (Zeeman effect), providing the ability to use RF to probe resonant transitions between different energy levels. Magnets typically are based on superconducting solenoids, with cryogenic stabilization of the field. Advances in...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002475
EISBN: 978-1-62708-194-8
... Abstract This article presents an overview of the electric and magnetic parameters and discusses the significance of these parameters for electronic applications. It describes the components of analog and digital electronic circuits. The article discusses the augmenting technologies: magnetic...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003788
EISBN: 978-1-62708-177-1
... obtained by controlling composition and microstructure ( Ref 59 ). In general, permanent magnet materials are processed for maximum coercivity by controlling one or more of the following: grain size, degree of atomic order, texture, defects, and phase distribution (for multiphase materials). The pinning...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006476
EISBN: 978-1-62708-190-0
... transform the martensitic microstructure into softer phases. In the case of severe grinding burn, temperatures are sufficient to result in the creation of untempered martensite on the surface surrounded by a microstructure gradient that transitions from untempered martensite to soft/tempered phases to the...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003233
EISBN: 978-1-62708-199-3
... magnetic properties, such as saturation magnetization, which is the maximum value B can achieve, and Curie temperature, at which there is a transition to a nonmagnetic state, are less dependent on microstructure, but are sensitive to such factors as crystal structure and chemical composition. A Hall...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001752
EISBN: 978-1-62708-178-8
... particular atom in the unit cell, (2) making quantitative statements about the atomic motion, that is, self-diffusion, (3) studying short- and long-range order, and (4) discovering the presence of second phases. Nuclear magnetic resonances in metals have also been used to measure ultralow temperatures...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001111
EISBN: 978-1-62708-162-7
... the crystal. The A atoms are from the groups IVA, VA, and VIA transition metals, whereas the B atoms are from groups IIIB, IVB, and VB and some transition metals including osmium, iridium, platinum, gold, and technetium. This article reviews the phase diagrams and provides information on alloying...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006247
EISBN: 978-1-62708-163-4
..., grid lines are not superimposed on the phase diagrams. However, tick marks are provided along the composition scale as well as the temperature scale, which is shown in degrees Celsius. Magnetic transitions (Curie temperature and Néel temperature) are shown as dot-dashed lines. Dashed lines are used to...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005206
EISBN: 978-1-62708-187-0
... application of thermodynamics is in the form of phase diagrams. Phase diagrams are visual representations of the state of a material, generally equilibrium, as a function of temperature, pressure, and, in multicomponent systems, the concentrations of the constituent components. They are therefore frequently...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003085
EISBN: 978-1-62708-199-3
... discontinuities in composition, enthalpy, entropy, or molar volume are called higher-order transitions and occur less frequently. The change in the magnetic quality of iron from ferromagnetic to paramagnetic as the temperature is raised above 771 °C (1420 °F) is an example of a second-order transition: no phase...
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
...) for dislocations, martensitic particles and microcracks, and magnetization and polarization for ferromagnetic and ferroelectric transitions. These order parameters are continuous fields (functions of position, r , e.g., ϕ( r , t )) and are referred to as phase fields in the phase-field method. A...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003836
EISBN: 978-1-62708-183-2
... is rejected from newly formed nanocrystals. The crystalline phase does not form a continuous path through the material. In addition, relaxation of glasses can occur when quenched glasses are heated below the glass transition temperature, T g , and the dynamic recrystallization temperature...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006324
EISBN: 978-1-62708-179-5
... properties. The article describes the properties of liquid iron in terms of surface energy, contact angles, and viscosity. The conductive properties such as thermal and electrical conductivity, of the main metallographic phases present in cast iron are presented in a table. The article discusses the magnetic...