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rapid prototyping

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006868
EISBN: 978-1-62708-395-9
... process and find potential problems before investing in tooling. Perform Prototyping and Testing Every development project is different, but most will benefit from some sort of prototyping, either for visual verification or for functional testing, many times both. Rapid prototyping has...
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
... angle of the screw is also larger in the second stage to create a more rapid forward movement of the polymer melt than in the first stage. This creates a zero-pressure region in the extraction zone. The barrel has a vent port above the extraction zone so that volatiles can escape and are not forced...
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
... MANUFACTURING (AM) refers to a group of free-form fabrication technologies that incrementally build up a solid part by computer-controlled deposition of material from a digital solid model. The technology is an outgrowth and broadening of rapid prototyping methods that were developed in the 1980s to accelerate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001598
EISBN: 978-1-62708-232-7
... of the research program that was undertaken to design and build a remote vitrification system. The CIM is prototypic of the production system and was undergoing final, non-radioactive performance testing when the melter drain tube developed a leak. An autopsy of the CIM vessel was performed to: 1) identify...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006927
EISBN: 978-1-62708-395-9
... in restrictions in the flow of the material within the mold. As a general design rule, part complexity should be minimized, and wall thicknesses should be as uniform as possible. Common tooling for these parts will be soft flexible molds, cast from a master part (sometimes made by rapid prototyping or additive...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
... showing brittle fracture features on the failed jacket crack surface. 20× Fig. 29 Scanning electron image showing features associated with brittle fracture and slow crack growth within the crack initiation site. 100× Fig. 30 Scanning electron image showing features indicative of rapid...
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 Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
... platform with a bar, torsion spring, hold-down bar, and trigger plate), could possibly be conceptualized “on a napkin” and developed with just a few prototypes. A working prototype or a simple freehand sketch with annotations may suffice to convey the design to a production shop. Other than tinkering...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006912
EISBN: 978-1-62708-395-9
... constructed from plywood, steel, and a phenolic bezel. Courtesy of dtopal/Shutterstock. Royalty-free stock photo ID: 8554489 Although this rapid growth is based on the benefits these materials offer, plastic products have been controversial since their introduction into the marketplace. During...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006938
EISBN: 978-1-62708-395-9
... these neighboring parts. This phenomenon, known as coefficient of thermal expansion (CTE) mismatch, can introduce important stresses to an assembly. The design envelope may also include transient temperature effects in scenarios in which relatively rapid heating or cooling may be anticipated. Such transient...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... analysis Objective type Possible rationale Product life cycle stage Product development Market demands Prototyping Product improvement Warranty costs Ongoing Assignment of responsibility Financial/physical damage or injury reparations After subject event Prevention of recurrence...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006814
EISBN: 978-1-62708-329-4
... often be built and tested as prototypes before designs are finalized. While not minimizing the importance of the mechanical engineer’s weldments, the failure of a single weldment will rarely have the same consequences as the failure of a structure, such as a bridge. Because structural failures often...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... for such a claim. Such bases are usually provided by analyses and by accelerated testing in the laboratory and with prototype and model testing. As part of the life assessment process, it is important to understand how a structural component—whether a pressure vessel, shaft, or structural member—is designed...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006865
EISBN: 978-1-62708-395-9
... but also surpassed even the yield and tensile strengths of the material. Problems of underdesign or overloading are usually diagnosed early in the development of a product, such as during prototype testing. Ductile fractures can also result from other causes, such as excessive creep deformation...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... of underdesign or overloading are usually diagnosed early in the development of a product, such as during prototype testing. Ductile fractures can also result from other causes, such as excessive creep deformation or inadvertent exposure to elevated temperatures, which can substantially reduce yield strength...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... years. This is not to say that some maintenance is not necessary. However, to assert to a customer that a component has a 40 year design life, it is necessary to develop a basis for such a claim. Such bases are usually provided by analyses and by accelerated testing in the laboratory and with prototype...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4