1-20 of 95 Search Results for

high-entropy alloys

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
Image
Published: 31 December 2017
Fig. 23 Micrographs of the Nd:YAG laser-assisted high-entropy alloy (HEA) coatings on aluminum: (a) 21 J/mm 2 single-layer coating, (b) 21 J/mm 2 double-layer coating, (c) 25 J/mm 2 double-layer coating, and (d) to (f) corresponding transformation in morphology of HEA phases by controlling More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006421
EISBN: 978-1-62708-192-4
... design approaches such as laser patterning and dimpling. Laser-surface modification of novel materials, such as high-entropy alloys and metallic glasses, is explored. The article provides an overview of hybrid techniques involving laser as a secondary tool, as well as a discussion on the improved...
Image
Published: 30 June 2023
Fig. 2 Normalized processing diagram for a range of alloy systems. EBM, electron beam melting; HEA, high-entropy alloy. Source: Ref 6 More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005211
EISBN: 978-1-62708-187-0
... the understanding of the solidification of such systems. Systems wherein two pure metals can be mixed to specifically yield a low-melting alloy have enabled ease of casting near-net shape components of high strength and performance. Rapid developments in our understanding of the solidification of such systems over...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006223
EISBN: 978-1-62708-163-4
... Abstract Thermodynamic descriptions have become available for a large number of alloy systems and allow the calculation of the phase diagrams of multicomponent alloys. This article begins with a discussion on three laws of thermodynamics: the Law of Conservation of Energy, the Second Law...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006905
EISBN: 978-1-62708-392-8
... in medical applications ( Ref 45 ). In addition to its high ductility, low corrosion rate, and favorable biocompatibility, nickel-titanium exhibits a shape memory effect. Among the many shape memory alloys, nickel-titanium has the best properties, which include a high shape recovery, recovery stress...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006907
EISBN: 978-1-62708-392-8
... ). In addition to zirconium-base alloys, bio-high-entropy alloys showing high mechanical properties with good biocompatibility have been developed using L-PBF where the EIGA process was used for powder preparation ( Ref 29 ). Several characteristics of Zr-1Mo and Ti-6Al-4V powders Table 2 Several...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... is not significantly large, solid-solution-hardened alloys with high intrinsic corrosion resistance can also be considered. For instance, a high-entropy alloy, which is strengthened by several elements with high concentrations of passive elements, can be a promising candidate ( Ref 65 , 66 ). Ceramic...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003085
EISBN: 978-1-62708-199-3
... Abstract Alloy phase diagrams are useful for the development, fabrication, design and control of heat treatment procedures that will produce the required mechanical, physical, and chemical properties of new alloys. They are also useful in solving problems that arise in their performance...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006222
EISBN: 978-1-62708-163-4
... in the liquid state to produce a solution, the resulting alloy is called a binary alloy. While numerous alloys are binary, many more alloys contain a greater number of alloying elements. In the case of high-temperature superalloys, more than ten alloying elements may be used to obtain the desired performance...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006977
EISBN: 978-1-62708-439-0
... Normalized processing diagram for a range of alloy systems. EBM, electron beam melting; HEA, high-entropy alloy. Source: Ref 6 While such process maps are beneficial as starting points for process parameter development, they are not a complete solution. These processing maps are difficult to extend...
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
... transfer. Conditions favoring rapid alloy dissolution are high superheat temperatures, small alloy particle size (large surface for heat transfer), and low alloy thermal conductivity. The heat flux to the alloy particle is given by: (Eq 36) Q = h ( T L B − T L * ) where Q...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.9781627081849
EISBN: 978-1-62708-184-9
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004225
EISBN: 978-1-62708-184-9
... boiling water reactor DO deterministic fracture mechanics ACI Alloy Casting Institute C DoD dimethyl formamide A/D-D/A analog-to-digital and digital-to- Co capacitance; concentration DODSSP departure from nucleate boiling CAD/CAE coulomb; carbon dissolved oxygen AE analog initial coating thickness DOE...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006311
EISBN: 978-1-62708-179-5
... regions show high viscosity values. Fig. 1 Number of atoms in the first coordination sphere obtained by neutron diffraction and x-ray. Source: Ref 2 Fig. 2 Viscosity of iron-carbon alloys as a function of carbon concentration. Source: Ref 3 Thus, liquid iron-carbon alloys...
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
... Abstract This article discusses the application of thermodynamic in the form of phase diagrams for visually representing the state of a material and for understanding the solidification of alloys. It presents the derivation of the relationship between the Gibbs energy functions and phase...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004133
EISBN: 978-1-62708-184-9
...) and ultrasupercritical (USC) power plants. These components include high-pressure steam piping and headers, superheater and reheater tubing, water wall tubing in the boiler, high-and intermediate-pressure rotors, rotating blades, and bolts in the turbine section. The article reviews the boiler alloys, used in SC and USC...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001117
EISBN: 978-1-62708-162-7
..., and magnesium alloys. Other uses for calcium include getters for residual gases in high vacuums and vacuum tube applications, and reagents for purification and scavenging of inert gases. Calcium reacts readily with atmospheric components, particularly water vapor, and is not inert to nitrogen. To avoid...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006983
EISBN: 978-1-62708-439-0
.... Nickel- and iron-base alloys are some of the most widely used due to their excellent properties at elevated temperatures and resistance to corrosion and oxidation. Inconel 625, Inconel 718, Hastelloy X, and Haynes 282 are commonly available nickel-base alloys that have a high degree of process maturity...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006505
EISBN: 978-1-62708-207-5
... alloys are given in Ref 62 . Further details of the influence of alloying elements on the CTE are given in Touloukian ( Ref 63 ). Thermal Conductivity At moderate to high temperatures such as >100 K (> –173 °C), the true thermal conductivity, k , of well-annealed, high-purity (99.99...