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open molding

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250077
EISBN: 978-1-62708-345-4
... as additives in molded gears. These additives may be removed from the surface during machining to leave openings or surface roughness. Injection Molding A portion of this chapter was adapted from Injection Molding , Engineered Materials Handbook Desk Edition , ASM International, 1995, p 299–307...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
..., and their overall good combination of physical and mechanical properties. Spray-up is a low- to medium-volume, open-mold method similar to hand lay-up in its suitability for simple medium to large part sizes. However, greater shape complexity is possible with spray-up than with hand lay-up. Continuous-strand...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... Reindl J.C. , Commercial and Automotive Applications , Composites , Vol 1 , Engineered Materials Handbook , ASM International , 1987 8.13 Andressen F.R. , Open-Molding: Hand Lay-Up and Spray-Up , Composites , Vol 21 , ASM Handbook , ASM International , 2001 10.31399...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... Matrix Composites , U.S. Department of Defense , 2002 6. Reindl J.C. , Commercial and Automotive Applications , Engineered Materials Handbook , Vol 1 , Composites , ASM International , 1987 7. Andresen F.R. , Open-Molding: Hand Lay-Up and Spray-Up , ASM Handbook , Vol...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780064
EISBN: 978-1-62708-281-5
... parts The product designer must also consider that the plastic molding or forming process influences the plastic part performance. The physical, mechanical, and chemical properties of the material can be affected by the molding/forming process. The part designer needs to understand the rudiments...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
... discontinuous or continuous fibers. The sample preparation methods cover documentation and labeling of samples, sectioning the composite, clamp-mounting composite samples, mounting composite samples in casting resins, and the addition of contrast dyes to casting resins. Information on the molds used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... and polyimides) require longer cure cycles and postcures. Postcuring further develops higher-temperature mechanical properties and improves the T g of the matrix for some epoxies, bismaleimides, and polyimides. Very short cure times are desired for some processes (such as compression molding and pultrusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... may change prior to production. Typically, wet lay-up molding is done on an open single-sided tool. The tool configuration can be designed to control the internal shape and surface finish (male tool) or the outside shape and surface finish (female tool). Cured parts will have one finished surface (i.e...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460209
EISBN: 978-1-62708-285-3
... 8.22 ). In this process, a copper layer is first deposited on the open mold. Then, the mold is closed and injection molding is performed. Finally, the mold is stripped off, and the hybrid copper/plastic components are obtained by transferring the copper layer to the molded plastic part...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
... for an epoxy reacting with an amine curing agent, the epoxy ring opens and reacts with the amine curing agent to form a cross link. The amine shown in this example is what is known as an aliphatic amine and would produce a cross-linked structure with only moderate temperature capability. Higher-temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410151
EISBN: 978-1-62708-280-8
... on a thick slab of die steel, 25 to 38 mm (1 to 1.5 in.) thick, so that the cavities are thermally isolated. The direction of casting ejection is normally perpendicular to the parting plane. The opening space between the two mold halves (allowing for the offset parting plane) needs to be designed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
... are essential for all processes (GPM, low pressure permanent molding (LPPM), and squeeze casting) to deliver high-quality castings with superior properties. GPM casting uniquely requires tilt pouring, the use of a pour cup skimmer, and techniques for keeping feed paths open to ensure high-quality castings...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290139
EISBN: 978-1-62708-319-5
... the interparticle void space to form open pores that enable binder evaporation. Pathways to the surface avoid internal gas pockets that would damage the component. The binder is being removed from the right face in this view. Fig. 7.4 Data for the relative mass loss over time for injection-molded bodies...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280041
EISBN: 978-1-62708-267-9
... is rotated to decant the molten charge into a teeming ladle. The teeming ladle and charge are transferred to the area where the heat is to be tapped. Figure 4.7 shows a schematic for a bottom-pour mold setup. The heat is tapped by the opening of a bottom plug in the teeming ladle. As the heat enters...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
... slides. In this case, the post engages the slide block to move the core along the parting line for the mold. When the mold opens, the core retracts, leaving a perpendicular hole to what is formed by using tool actions in the mold. Fig. 6.21 Computer-calculated temperature distribution...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730139
EISBN: 978-1-62708-283-9
... into molds of high-temperature ceramics. Aluminum may be cast into sand or iron molds. Low-melting-point metals (aluminum, magnesium, and zinc) may be die cast. In die casting, metal is forced into a metal mold that automatically opens and ejects the part as soon as it is frozen. The production rate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.9781627082808
EISBN: 978-1-62708-280-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110513
EISBN: 978-1-62708-247-1
...-of-spec soldering, dirt at bonding capillary, heel cracks, mold pressing, curing, non-application-suitable package types Only when sub-μ-movement of pin starts, intermitting contact or open follows later Frequently also intermitting, temperature, or pressure-dependent contact behavior ESD impacts...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030019
EISBN: 978-1-62708-282-2
... Galvanic corrosion of painted steel auto body panel in contact with stainless steel wheel opening molding. Courtesy of R. Baboian, Texas Instruments, Inc. Fig. 5 Galvanic corrosion of steel pipe at brass fitting in humid marine atmosphere. Courtesy of R. Baboian, Texas Instruments, Inc...