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coating design

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
... deposition, and thermal spraying (TS). It provides a background to RCF in bearing steels in order to develop an understanding of failure modes in overlay coatings. The article describes the underpinning failure mechanisms of TiN and diamond-like carbon coatings. It presents an insight into the design...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001504
EISBN: 978-1-62708-217-4
... to measure or evaluate when dealing with disassembled and cracked or broken components. Design deficiencies also led to a significant proportion of corrosion related problems. The causes were many: water entrapment, improper sealing, and assemblies promoting damage to coatings. At the design stage, corrosion...
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
... in the environment; change in the alloy or heat treatment; change in design; use of galvanic protection; use of inhibitors; use of nonmetallic coatings and liners; application of metallic coatings; use of surface treatments, thermal spray, or other surface modifications; corrosion monitoring; and preventive...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001904
EISBN: 978-1-62708-217-4
... Abstract A steel eyebolt which attached a rear lift strut to the right wing of a helicopter failed by fatigue. As a contributing factor, thread cutting produced sharp notches at thread roots, reducing fatigue life. Also, design fatigue life may have been exceeded as the part was in use about...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091761
EISBN: 978-1-62708-229-7
... technique would reduce the stress and make the design more tolerant of corrosion. Marine environments Protective coatings Udimet 500 UNS N07500 High-temperature corrosion and oxidation Turbine buckets in a 37.5 MW gas turbine made of Udimet 500 superalloy failed in service ( Ref 1...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001765
EISBN: 978-1-62708-241-9
...Information data about the flat bottom water tank Table 1 Information data about the flat bottom water tank Diameter 96,800 mm Height 20,000 mm Design code API 650 9th Edition 1993—Appendix E Capacity 140,000 m 3 Product Potable water Product specific gravity 1.00...
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
... been dissolved. Iron is nearly inert in air-free water and seawater, because there is limited cathodic reaction possible. If the surface of the metal is coated with paint or other nonconducting film, the rates of both anodic and cathodic reactions are greatly reduced, and corrosion will be retarded...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001803
EISBN: 978-1-62708-241-9
... prosthesis, stainless steel and titanium compression plates, and hollow spinal rods. Some of the failure mechanisms that were identified include corrosive attack, corrosion plus erosion-corrosion, inclusions and stress gaps, production impurities, design flaws, and manufacturing defects. Failure prevention...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
.... The selection and satisfactory use of a particular fastener are dictated by the design requirements and conditions under which the fastener will be used. Consideration must be given to the purpose of the fastener, the type and thickness of materials to be joined, the configuration and total thickness...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001592
EISBN: 978-1-62708-228-0
... for failure. 2.2 Coating and Design Two of the major factors contributing to the failure of sucker rods are: Corrosion at the surface of the rods and, Stress concentrations induced by mechanical design. The elimination of these factors is achieved by: Protection of the surface...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001656
EISBN: 978-1-62708-219-8
... bar. Chlorides Reinforced concrete Reinforcement bars Zinc coatings Steel reinforcing bar Corrosion fatigue Introduction In a properly designed, constructed, and used structure, there should be no problem of steel corrosion in concrete during the design life. Such protection...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
...-corrosion cracking, hydrogen embrittlement, and liquid-metal embrittlement of bolts and nuts. The article explains the most commonly used protective metal coatings for ferrous metal fasteners. Zinc, cadmium, and aluminum are commonly used for such coatings. The article also illustrates the performance...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
... the rotation of the blade. Because the rotational speed of the turbine is relatively easily controlled, creep failures from excessive turbine speed are rare. Metal temperatures can increase beyond the design point, either from excessive heat input (increased firing temperature, loss of thermal barrier coating...
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
... in the resistance values, resulting in circuit nonperformance at inappropriate times. The low termination strength was attributed to deficient chip design for the intended materials and manufacturing process and exacerbated by the presence of polymeric contamination at the termination interface. Delaminating...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001758
EISBN: 978-1-62708-241-9
...) and extensive damage (“corn-cobbed”) to the HP rotor (right). Damage on the right normally results in engine shutdown Fig. 6 Trailing edge yielding and aluminide coating wrinkling associated with stress-rupture cracking on turbine airfoils Fig. 7 Entirely interdendritic stress-rupture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0091598
EISBN: 978-1-62708-218-1
... concentrated ammonium nitrate solution. Recommendations included the cost-effective solution of applying a three-coat epoxy-type coating with a total dry thickness of 0.3 mm (0.013 in.) to the interior surfaces of the hoppers. Ammonium nitrate Epoxy Hoppers ASTM A611 ASTM A570 Intergranular fracture...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001805
EISBN: 978-1-62708-241-9
... Intentionally fractured blades revealed microvoid coalescence Fig. 5 Cracking was observed to extend radially around cold formed studs Fig. 6 Cross-section showing electroless nickel coating delamination and cracking Fig. 7 SEM image of fractured core wire Fig. 8 SEM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0009190
EISBN: 978-1-62708-225-9
... not provided with a coating or plating to ease running-in; and the gears were not run-in properly under reduced loads. The case suggests that such gear failures can be avoided if designers and operators recognize that the lubricant is an important component of a gearbox and appreciate that gear design requires...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
.... The article discusses metallurgical instabilities of steel-based alloys and nickel-base superalloys. It provides information on several life assessment methods, namely, the life fraction rule, parameter-based assessments, the thermal-mechanical fatigue, coating evaluations, hardness testing, microstructural...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... chromium- or silicon-rich coating to minimize corrosion. Fuel delivery, handling, and treatment should be high quality, to maintain fuel contamination within design limits. Inlet air filtration must be designed for the coastal site. If possible, changing the bucket tip by increasing its thickness...