1-20 of 420 Search Results for

hot melt extrusion

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
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006580
EISBN: 978-1-62708-290-7
... referred to their melt extrusion system as Fused Deposition Modeling, or FDM, an acronym which has become synonymous with melt extrusion 3D printing and is a trademark of Stratasys. As the name suggests, these devices rely on a hot extrusion process to heat a material to sufficiently soften it to...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006556
EISBN: 978-1-62708-290-7
... dictated by the spot size. Thermal postprocessing of printed precious metal parts can improve the surface finish. Hot isostatic compaction of printed parts has been used to increase the build density and mechanical properties of precious metal laser-melted parts ( Ref 36 ). Laser remelting of the...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006583
EISBN: 978-1-62708-290-7
...° layer rotation, and a support structure for preserving heat and thereby reducing temperature gradients. The major challenge when selectively melting molybdenum is the formation of cracks. The key factors triggering the initiation of hot and cold cracks in molybdenum are described in Braun et al...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006579
EISBN: 978-1-62708-290-7
... result of the high cumulative surface area of the powder. As is the case for most AM metal materials, the AM community has leveraged existing powder metal/hot isostatic pressing (HIP)/thermal spray infrastructure to support its demand for copper feedstocks. Inherently, this limits the available variety...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006570
EISBN: 978-1-62708-290-7
... conservative cutting parameters (14 m/min speed, 50 μm axial depth of cut, and 1.2 μm/tooth chip load), the coatings were quickly peeled off after a short (20 to 40 mm, or 0.80 to 1.5 in.) milling distance. Inconel 718 processed by hot isostatic processing (HIP) eliminates most pores in the material, but...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006573
EISBN: 978-1-62708-290-7
... ). Fig. 1 Optical micrographs of Co-Cr-Mo alloys (a) as cast, (b) fabricated through selective laser melting (SLM), and (c) fabricated through SLM followed by hot isostatic pressing (HIP). Source: Ref 26 . (d) Fatigue behavior for cast, SLM, and SLM+HIP Co-Co-Mo alloys The mechanical behavior...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006559
EISBN: 978-1-62708-290-7
... stability and mechanical properties. Alumina/zirconia eutectic ceramic has broad applications, such as the manufacture of turbine blades, crankshafts, and connecting rods in the military defense and aerospace fields. Therefore, alumina/zirconia eutectic ceramic has become a hot research topic. The...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006569
EISBN: 978-1-62708-290-7
... and oxides are overcome by binder jetting. Further, as advanced sintering techniques like hot isostatic pressing (HIP) become more prevalent, sintering of binder-jet parts can result in properties superior to those of parts produced by conventional manufacturing. Just as an ink-jet printer can...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.9781627082907
EISBN: 978-1-62708-290-7
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006576
EISBN: 978-1-62708-290-7
... tool steels T High-performance cutting tool applications Molybdenum high-speed tool steels M Cutting tool applications, >95% market share in the USA Hot work tool steels, chromium, tungsten, molybdenum H Developed for withstanding high heat, pressure and abrasion associated with metal...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003397
EISBN: 978-1-62708-195-5
... Abstract This article reviews various rapid prototyping (RP) processes, such as stereolithography, powder sintering, hot melt extrusion, sheet lamination, solid ground curing, and three-dimensional printing. It discusses various material prototypes produced by RP technology. The list of...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
... melting temperature of the metal. The hot extrusion process is used to produce metal products of constant cross section, such as bars, solid and hollow sections, tubes, wires, and strips, from materials that cannot be formed by cold extrusion. Three basic categories of hot extrusion are nonlubricated...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006535
EISBN: 978-1-62708-207-5
... through the hot flue gases. In addition, as the molten metal comes in contact with the furnace gases, it forms slag/dross. The melt loss rate is 3 to 5% in aluminum gas reverberatory operations ( Table 1 ). Improvements in burner technology, fuel/air ratio control, insulating refractories, and temperature...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006534
EISBN: 978-1-62708-207-5
... preheated to facilitate plastic deformation. The billet temperature is typically greater than that required to sustain strain hardening during deformation. This is generally greater than 60% of the absolute melting temperature of the metal. The hot extrusion process is used to produce cross sections that...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006385
EISBN: 978-1-62708-192-4
... Engineering Materials , 6th ed., ©2017. Reprinted by permission of Pearson Education, Inc., New York, New York There are two basic forms of extrusion: cold and hot. Cold extrusion is by definition a process that takes place below one-third the metal’s melting temperature on an absolute scale. In...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003015
EISBN: 978-1-62708-200-6
... the wire is too hot, the plastic will stick too firmly, making it impossible for the electrician to strip the wire. While this property is not simple and is affected by both plastic formulation and wire type, the general function is important to remember in the design of plastic extrusions as well as...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009006
EISBN: 978-1-62708-185-6
... be undertaken at relatively low stress levels. On the other hand, in some hot working ranges the development of fracture is nonductile, due to the melting (hot shortness) or considerable softening of certain second phases, or to excessive grain-boundary deformation. In any case, it is important to...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006085
EISBN: 978-1-62708-175-7
.... Although powder extrusion is intrinsically an expensive process, benefits in improved homogeneity and a more direct route from melt to a wrought, consolidated structure are realized for a number of materials that, until recently, have been wedded to conventional practice involving casting and extensive hot...
Book Chapter

Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006728
EISBN: 978-1-62708-210-5
... optimum strength and resistance to stress corrosion cracking. T53 temper is artificial aging following an elevated temperature fabricating process: T53 temper : Press quench from hot-working temperature, naturally age 72 h at room temperature, then two-stage artificially age 8 h at 100 – 110 °C...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009012
EISBN: 978-1-62708-185-6
... melting. Also, ε f shows a peak at all strain rates at the intermediate deformation temperature, T 2 . Thus, the extrusion preheat temperature selected is slightly below T 2 , where ε f is near its maximum. The highest strain rate, ε ¯ ˙ 3 , is avoided, because it may lead to hot...