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corrosion properties

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001547
EISBN: 978-1-62708-225-9
... concentration depended on end hook bend sharpness. Also, interference fits are to be avoided in the end hooks of small springs. Additionally, a need for careful consideration of the stress-corrosion properties of candidate materials for spring applications has been demonstrated by stress-corrosion test results...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001830
EISBN: 978-1-62708-241-9
... to provide anti-corrosion properties [ 2 ]. The thickness of this layer was 2 μm. The aggressive corrosion environment had deteriorated this layer in some places of the bolt surface and corrosion pits were then produced at some places. Fig. 6 shows the coating layer still remaining on the bolt surface...
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
..., and corrosion properties have also been reported. [ 32 – 34 ] Despite numerous investigations, the occurrence of such failures is still a major problem. A variety of micrographic features were observed on the fractured or mechanially damaged surfaces and through microscopic indications. These features include...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0091362
EISBN: 978-1-62708-220-4
... will result in a flow condition that is turbulent enough to aspirate air into the gas stream, thus contaminating the weld and destroying its mechanical and corrosion properties. The manifold gas system also contributed to this failure. When this system is first used, it is necessary to purge the contents...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001604
EISBN: 978-1-62708-234-1
.... Conclusion Cavitation erosion deteriorated the tubes within the vaporizer. It was the boiling action, not the corrosive properties of SO 2 liquid, which caused the excessive metal loss. This could be avoided by increasing the flowrate of SO 2 liquid (creating agitation), but such an increase might...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001298
EISBN: 978-1-62708-215-0
... • Forms of Corrosion , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 761 – 795 10.31399/asm.hb.v11.a0003548 Conclusions and Recommendations Most Probable Cause How Failure Could Have Been Prevented Mechanical Properties Hardness Tensile...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001455
EISBN: 978-1-62708-234-1
... that increasing the ageing time at 190°C from 1 to 24 hours, reduced the corrosion by a factor of 10, but caused a slight reduction in mechanical properties. W. A. Bell and H. S. Campbell 6 during work at BNFMRA showed that samples slightly under-aged at 175°C and exposed to an accelerated salt spray test also...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001293
EISBN: 978-1-62708-215-0
... to be utilized when hardened to 54 to 57 HRC as long as there is no visual evidence of corrosion. In this way, the ballistic properties could be maintained. However, a more conservative approach (which would sacrifice some of the ballistic properties of the material) would be to heat treat the component...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001372
EISBN: 978-1-62708-215-0
... for brittleness in martensitic stainless steels is improper heat treatment. It is well known that tempering of martensitic stainless steels in the range of 370 to 565 °C (700 to 1050 °F) results in low impact properties and poor resistance to corrosion and stress corrosion ( Ref 2 ). Low Izod impact values (9.5...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001297
EISBN: 978-1-62708-215-0
... Microstructural Analysis Mechanical Properties Hardness Scanning Electron Microscopy Fractography Macrofractography Corrosion Patterns Examination of the inner surface of the spar cavity revealed an unusual pattern of corrosion as shown in Fig. 5 . The same area with corrosion removed...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001105
EISBN: 978-1-62708-214-3
..., and Incoloy 800H, respectively. Visual examination of the bellows revealed cracks in heavily cold-worked areas (both inside and outside) and considerable corrosion. SEM analysis showed a classical intergranular failure pattern with microcracking. The threaded tie rod microstructure contained spheroidized...
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
..., hydrocarbons, carbon, or other carbonaceous compounds. Carburization alone usually does not result in corrosion or alloy wastage, but adsorption and diffusion of carbon into the base alloy can lead to significant changes in the alloy mechanical properties and thus possible alloy embrittlement. Variables...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006756
EISBN: 978-1-62708-295-2
... of the material selected. Also, it is possible that critical properties, such as fracture toughness or corrosion resistance, were never specified in a purchase agreement between vendor and buyer. While subsequent failure may have occurred because these properties were insufficient for the applied installation...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006821
EISBN: 978-1-62708-329-4
..., or hardness (micro or Rockwell) testing. Corrosion properties may also be of interest and studied by various corrosion techniques, including accelerated corrosion tests. Aircraft component geometries may also be obtained using common tools and techniques. For instance, scales, calipers, or micrometers may...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001697
EISBN: 978-1-62708-219-8
... started to note a significant increase in leaking pipes throughout the property. The leaks were primarily observed in the copper pipes used for domestic hot and cold water lines. The boiler plant contained some galvanized pipes, and corrosion product accumulations were being observed at the threaded...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003521
EISBN: 978-1-62708-180-1
... (steady state or slowly rising and cyclic), oxidizing/corrosive environments, and wear environments. What properties were required during service? How were properties expected to change from service exposure? How was the part inspected during service intervals? What information was found during...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001527
EISBN: 978-1-62708-224-2
... Abstract Mechanical properties of wire ropes, their chemical composition, and the failure analysis process for them are described. The wires are manufactured from high-carbon, plain carbon steel, with high-strength ropes most often manufactured from AISI Grade 1074. During visual failure...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001377
EISBN: 978-1-62708-215-0
... stresses produced on the bolt shank by a finish machining operation after heat treatment. Bolts Compressive stress Corrosion environment Hydrogen sulfide Mechanical properties Residual stress Shot cleaning UNS G41400 4140 42CrMo4 Intergranular fracture Stress-corrosion cracking...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001809
EISBN: 978-1-62708-241-9
... of iron acts as a grain refiner and also increases the yield strength [ 1 ]. The use of these three alloying elements creates a metallurgically complex alloy that needs to be strictly controlled to obtain all of the desired properties. Without the proper fabrication procedures, the corrosion resistant...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001779
EISBN: 978-1-62708-241-9
... not only of the pump design and manufacturing processes but also of the engineering properties of the material, particularly its corrosion and wear resistance properties when subjected to the conditions encountered in the pump. Sufficient information is available in the corrosion and metallurgical...