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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001002
EISBN: 978-1-62708-229-7
... depth was determined to be approximately 2 mm. At their ends the cracks were filled with corrosion products as shown in Figure 2 , and their surfaces were seen to be very irregular. Following further grinding and polishing steps, the replicas showed the bottom of the cracks to be filled...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047956
EISBN: 978-1-62708-235-8
... Abstract Randomly selected dictating-machine drive mechanisms, which contained small ball bearings, were found to exhibit unacceptable fluctuations in drive output during the early stages of production. It was indicated that the bearing raceways were being true brinelled before or during...
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...
Image
Published: 15 May 2022
Fig. 1 The plastic part development process can be simplified to a three-step process. 1. Acquire the background information on the materials, the processes, and the tooling to support the processes. 2. Create the solution for the “need” and the “user.” 3. Implement the solution More
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
... Abstract This article presents the benefits of selecting plastics for products to be manufactured. It discusses the four key considerations for plastic part design: material, process, tooling, and design. The article provides a detailed discussion of the development sequence for plastic parts...
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
... scrutiny. Investigation Planning Prior to any failure analysis investigation, a cohesive plan involving the anticipated steps to be taken during the product examination should be created. The plan, often referred to as the analysis protocol, should be sufficiently detailed to allow the analyst...
Image
Published: 01 January 2002
Fig. 19 Oblique view of a 102 mm (4 in.) diameter hardened-steel machine rod that failed by fatigue fracture. Curved beach marks identify two distinct fracture origins, separated by a step of overload fracture (light gray). Older parts of fatigue fracture are decorated by corrosion product More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091336
EISBN: 978-1-62708-234-1
... on the tube, which was periodically exposed to water. Recommendations included taking steps to prevent water from entering and being trapped in this area of the assembly. Marine environments Palladium oxide Tubes 304 UNS S30400 Crevice corrosion A steel tube meeting type 304 specification...
Image
Published: 15 January 2021
Fig. 19 Oblique view of a 102 mm (4 in.) diameter hardened-steel machine rod that failed by fatigue fracture. Curved beach marks identify two distinct fracture origins, separated by a shear step of overload fracture (light gray). Older parts of fatigue fracture are decorated by corrosion More
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
... Applications and Typical Products In the simplest terms, all plastics processing techniques involve three key steps: fluidizing (plasticating), shaping, and solidification. Raw materials are typically sourced as pellets or powders (thermoplastic) or as monomeric liquid and cross-linking agent (thermoset...
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
... properties, etc.) to achieve a final layout for a product, assembly, or system Fig. 3 Stages and steps in the iterative process of design. Source: Ref 1 As shown in Fig. 3 , iteration is a key feature for any step in the design process. In fact, engineering design can be thought...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001631
EISBN: 978-1-62708-222-8
... Abstract Failure analysis of a fishhook that broke during retrieval is described. Although the broken hook was discarded, several companion hooks were analyzed (chemistry, microhardness, metallographic cross section, and tensile properties) as were comparable products made by other hook...
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
... properties, etc.) to achieve a final layout for a product, assembly, or system Fig. 3 Stages and steps in the iterative process of design. Source: Ref 1 As shown in Fig. 3 , iteration is a key feature for any step in the design process. In fact, engineering design can be thought...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001173
EISBN: 978-1-62708-218-1
... of the component between the thread and tapered section. The timing of these failures coincided with production problems which resulted in the joints being used immediately on finishing. The ball joints are forged from En 353 (BS970:815A16), machined, threadrolled, heat treated and finally ground. The heat...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001492
EISBN: 978-1-62708-235-8
... plating steps. It was recommended that tin plating should follow the copper underplating within 24 h and a cleaning step of bright dipping after copper plating be performed. Copper plating Electroless nickel plating Electronic devices Tin plating C17500 UNS C17500 Electroless nickel Surface...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003519
EISBN: 978-1-62708-180-1
... Abstract This article reviews the most common reasons for failures and the purpose of a failure investigation. It discusses the nine steps for the organization of a good failure investigation. The three basic tools that are helpful in any failure investigation, namely, a fault tree, a failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006402
EISBN: 978-1-62708-217-4
.... The expanding corrosion product had cracked and, in some places, had flaked away the anodized coating. The corrodent had penetrated the base aluminum in the form of subsurface intergranular attack to a depth of 0.035 mm (0.0014 in.). It was recommended that a vapor degreaser be used during cleaning prior...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001370
EISBN: 978-1-62708-215-0
...% orthophosphoric acid, more macroscopic details were observed, such as a corrugated periphery with step like features called ratchet marks. Fig. 3 Fracture surface, showing the region of final fast fracture Scanning Electron Microscopy/Fractography Examination of the cleaned fracture surface...
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
... be nested over and around each other in the build box. This ability to pack large batches of parts into a single build box makes for a very high-productivity printing scenario. Further, because postprocessing steps such as depowdering and sintering/infiltration can also be completed in large batches, binder...
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
... general design rules for the plastic forming processes covered. It also discusses the steps involved in design validation and verification. plastic design plastic forming tooling DESIGN of a plastic part needing to be formed must consider the material, the process, and the tooling...