1-20 of 78 Search Results for

direct powder method

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: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... Metal additive manufacturing (AM) technologies Technology Description Directed-energy deposition methods Direct metal deposition Uses laser and metal powder for melting and depositing, using a patented closed-loop process Laser-engineered net shaping Uses laser and metal powder...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001843
EISBN: 978-1-62708-241-9
... powder and the plating material had separated from the substrate in many areas. Several connectors, including some that had been in service, were examined to determine what caused the change. The order stated that the connectors were to be coated with a layer of tin-bismuth (2% Bi) to guard against tin...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001686
EISBN: 978-1-62708-220-4
... of vaporizer coil adjacent to the leak site which was removed following a prior failure. The remaining two coil samples were from the leak position vaporizer coil 6 and an adjacent cracked vaporizer coil 5 following the second, most recent failure. The root cause failure analysis method was used...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001661
EISBN: 978-1-62708-229-7
... on the results of the evaluation program. This procedure is applicable to the magnetic particle examination of ferromagnetic components using prods and dry powder with direct current (DC) according to the dry continuous inspection method. This procedure is limited to the detection of discontinuities open...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... evaluation of the failure mechanisms. Microfractographic examination can be conducted in several ways, including direct methods involving light microscopy and scanning electron microscopy and indirect methods involving replicas that can be examined by light microscopy or by scanning or transmission...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
..., polypropylene; PVC, polyvinyl chloride; PA, polyamide; PI, polyimide; PET, polyethylene terephthalate. Source: Ref 7 Practical information derived from polymer analysis methods Table 2 Practical information derived from polymer analysis methods Test method Property Gel permeation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... variety of metalworking operations that can be roughly divided into bulk-working operations and sheet-forming operations ( Ref 1 ). The general distinction here is that bulk working imposes material flow in all directions, while sheet-forming operations are typically limited to two-dimensional deformation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0009222
EISBN: 978-1-62708-180-1
... performance. Classification of the factors does not necessarily pinpoint the cause of each failure. For example, poor grinding practices may have left cracks, or improper heat treatment may have made it impossible to grind by any method without producing cracks. Another example is a tool with a sharp...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
.../Fretting Wear in Heat Exchanger Tubes , J. Pressure Vessel Technol. (Trans. ASME) , Vol 109 , 1987 , p 265 – 274 10.1115/1.3264862 35. de Gee A.W.J. , Commissaris C.P.L. , and Zaat J.H. , The Wear of Sintered Aluminium Powder (SAP) under Directions of Vibrational Contact...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001666
EISBN: 978-1-62708-229-7
... indication was recorded by the loose powder method. No other indications were apparent in the keyway or adjacent bore regions. The magnetic rubber method also produced a strong, clear indication ( Figure 3 ) and revealed an irregular or jagged crack appearance that was not evident with the powder method...
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
... directions. (a) Disk for metals >50 HV The traditional method for preparing most metals and alloys Table 1 The traditional method for preparing most metals and alloys Surface Abrasive/size Load, N (lbf) Speed, rpm/direction Time, min Waterproof PSA paper 120/P120-grit SiC...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001342
EISBN: 978-1-62708-215-0
... particles on surface of bellows (white powder) Fig. 6 Inner surface of bellows, showing circumferential crack Nondestructive Evaluation Surface Examination Metallography Chemical Analysis/Identification Microscopic examination of specimens revealed that SCC of the assembly had...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
... it is possible or practical. In cases where the accessibility around the location of interest is limited to one or two directions (either due to sample geometry, economic, or time constraints), the priority is given to stress measurements in the direction perpendicular to the crack line. Finite-Element Method...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... for additional EDS or inductively coupled plasma assessment, if this destructive method is allowed. In cases where the suspect part can be removed and brought to the laboratory for subsequent analysis, there are a number of techniques that can be used for chemical identification. Arc OES allows for a direct...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... that collects a large section of the Debye ring, the data-collection time may be reduced if the direction of the major strain is tilted with respect to the physical direction of a sample. Care should be taken when using a limited ψ tilt or ψ, φ range with the cos α method, because the limited ψ tilt range...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... and methods in the analysis of corrosion and wear failures. In addition, investigations of a failure may utilize various techniques to characterize the condition of material. These include: Metallography or microstructural analysis Mechanical testing Chemical analyses (bulk, local, surface...
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
... Adjusting the Thermal Gradient Factors Governing Dissolution Factors Governing Oxidation Installation Methods and Maintenance Procedures Process Control Inherent variabilities in any given process or radical changes in the input or output parameters have many times unforeseen effects...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... Exchanger Tubes , J. Pressure Vessel Technol. (Trans. ASME) , Vol 109 , 1987 , p 265 – 274 10.1115/1.3264862 84. de Gee A.W.J. , Commissaris C.P.L. , and Zaat J.H. , The Wear of Sintered Aluminium Powder (SAP) under Directions of Vibrational Contact , Wear , Vol 7 , 1964 , p...
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
... in Table 1 , listing equivalent ANSI/CAMI and FEPA grit sizes for the SiC paper. The traditional method for preparing most metals and alloys Table 1 The traditional method for preparing most metals and alloys Surface (a) Abrasive/size Load Speed, rpm/direction (b) Time, min N lbf...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001713
EISBN: 978-1-62708-220-4
..., sulfur dioxide, or directly with sodium hydrosulfite. As shown in Eq. 4 and 5 , external oxygen was not necessary for the oxidation of the aluminum powder. The direct oxidation of the hot aluminum powder by oxygen ( Eq. 6 ), however, likely occurred when the contents of the blender contacted air. 2...