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selective cure layered process

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... are extruded above their melting temperature ( T m ); amorphous thermoplastics are extruded above their glass transition temperature ( T g ). The selection of processing temperature can be guided by material data sheets. If a material data sheet is not available, the selection of processing temperature...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
... and encapsulation. Changes were also determined after thermal shock and were measured on returns from the field. Specimen Selection Representative samples from each step in the manufacturing process were selected for analysis. Additional samples were selected representing the various resistor failures...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006916
EISBN: 978-1-62708-395-9
... molecular weight. They may be amorphous (PS) or semi-crystalline (PE or PP), and they are processed using a variety of methods as described earlier. Conversely, thermoset resins are formulated to provide the desired processing conditions and achieve the required fully cured properties. Figure 15...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... is identified. The temperature dependence and shape of the peak provide information about the degree of crystallinity, molecular weight distribution, degree of branching, copolymer blend ratio, and/or processing history. The degree of curing can also be determined from the exothermic peak. Usually, DSC...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006924
EISBN: 978-1-62708-395-9
..., are B-staged so that the T g is close to the precure process temperature. Prepregs are sheets of oriented fibers or fabric that are impregnated with resin and B-staged; typically, several layers are laminated together under heat and pressure to fabricate a part. Glossary of characteristic cure...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... jetting is well suited for large-volume production. Fig. 8 Binder jetting and sintering process. (a) Image of a layer of powder in midprint in the binder jet process. (b) Depowdering after the curing step Binder jet technology is a low-cost/high-productivity process compared with laser PBF...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... the necessary material selection information. Reviewing corrosion data for a specific environment or performing corrosion testing is helpful in determining the best material for the application. Design Changes Design changes involving components, processes, or systems may be necessary to alleviate...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006931
EISBN: 978-1-62708-395-9
... additional variables, these variables are often essential to allow processing and/or to develop specific properties that are not inherent in the virgin resin. It should be noted that the physical design of a part can be as important as selecting the proper resin or considering the effects of the processing...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006932
EISBN: 978-1-62708-395-9
... state of glasses often simultaneously accompany processing. Orientation is removed by annealing above the T g . The effect of thermal stresses can be somewhat isolated from aging effects by the layer removal technique. However, aging may also be affected by temperature gradients, because material near...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... be twofold. One purpose may be to determine the relationship between the microstructure and the crack path (in failures involving fracture) and/or the nature of corrosion or wear damage. The second purpose is to determine whether processing or service conditions have produced undesirable microstructural...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... industry corrosion resistance gas turbine components heat exchangers material selection power generation industry process control refractories structural ceramics REFRACTORY MATERIALS are used in various industrial applications to line the interior of a multitude of vessels (mainly made...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... Abstract Manufacturing process selection is a critical step in plastic product design. The article provides an overview of the functional requirements that a part must fulfil before process selection is attempted. A brief discussion on the effects of individual thermoplastic and thermosetting...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
.... One purpose may be to determine the relationship between the microstructure and the crack path (in failures involving fracture) and/or the nature of corrosion or wear damage. The second purpose is to determine whether processing or service conditions have produced undesirable microstructural...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006939
EISBN: 978-1-62708-395-9
..., biological function modifiers, processing aid, and colorant. Each section is further subdivided, as illustrated in Fig. 1 . Fig. 1 Categories of polymer additives Criteria for the Selection of Additives/Fillers The selection of additives is based on the application requirements...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
... and die failures are also covered. In addition, the article focuses on a number of factors that are responsible for tool and die failures, including mechanical design, grade selection, steel quality, machining processes, heat treatment operation, and tool and die setup. cold working dies failure...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006929
EISBN: 978-1-62708-395-9
... layers will influence water kinetics; if they are equivalent, this will promote more change at the onset of the absorption process, whereas different thicknesses yield significant change after a longer immersion time. Assuming a constant diffusion coefficient, the absorption process will be faster...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
... of tool and die steels is discussed in the Section “Heat Treating of Tool Steels” in Heat Treating, Volume 4 of the ASM Handbook. In addition to controlling the heat-treatment process, tool and die design and steel selection are integral factors in achieving tool and die integrity. Analytical...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006870
EISBN: 978-1-62708-395-9
... or to the rubber curing process occurring to an excessive degree as the rubber contacts the presumably hot mold. If the mold temperature is too hot during filling, the rubber becomes more viscous as it begins to cure and, hence, more resistant to uniform flow, which can result in voids. These voids will serve...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001548
EISBN: 978-1-62708-219-8
... process caused the product to fail. Selected Reference Selected Reference • Forms of Corrosion , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 761 – 795 10.31399/asm.hb.v11.a0003548 ...