1-20 of 34 Search Results for

ion nitriding

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
Image
Published: 01 January 2002
Fig. 1 SEM images of (a) IG fracture in ion-nitrided layer of ductile iron (ASTM 80-55-06), (b) transgranular fracture by cleavage in ductile iron (ASTM 80-55-06), and (c) ductile fracture with equiaxed dimples from microvoid coalescence around graphite nodules in a ductile iron (ASTM 65-40-10 More
Image
Published: 01 January 2002
Fig. 12 Light micrograph of an ion-nitrided H13 tool steel specimen mounted in epoxy thermosetting resin (Epomet). The arrows point to a white-etching iron nitride layer at the surface that probably would not have been observed if the specimen was nickel plated for edge protection. Specimen More
Image
Published: 15 January 2021
Fig. 4 Light micrograph of an ion-nitrided H13 tool steel specimen mounted in epoxy thermosetting resin. The arrows point to a white-etching iron nitride layer at the surface that probably would not have been observed if the specimen was nickel plated for edge protection. Specimen etched More
Image
Published: 15 January 2021
Fig. 1 Scanning electron microscopy images of (a) intergranular fracture in ion-nitrided layer of ductile iron (ASTM 80-55-06), (b) transgranular fracture by cleavage in ductile iron (ASTM 80-55-06), and (c) ductile fracture with equiaxed dimples from microvoid coalescence around graphite More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001620
EISBN: 978-1-62708-229-7
.... Costa J.D. , Ferreira J.M. , and Ramalho A.L. : “Fatigue and Fretting Fatigue of Ion-Nitrided 34CrNiMo6 Steel,” Theor. Appl. Fract. Mech. , 2001 , 35 , pp. 69 – 79 . 10.1016/S0167-8442(00)00050-1 6. Li C.X. , Sun Y. , and Bell T. : “Factors Influencing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001619
EISBN: 978-1-62708-225-9
.... , Chandrasekaran V. , and Elliot C.B. , Ed., ASTM , West Conshohocken, PA , 2000 , pp. 282 – 92 . 9. Costa J.D. , Ferreira J.M. , and Ramalho A.L. : “Fatigue and Fretting Fatigue of Ion-Nitrided 34CrNiMo6 Steel,” Theor. Appl. Fract. Mech. , 2001 , 35 , pp. 69 – 79 . 10.1016...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001621
EISBN: 978-1-62708-227-3
... D.A. : “On the Initiation of Fretting Fatigue Cracks,” Wear , 1997 , 205 , pp. 12 – 29 . 10.1016/S0043-1648(96)07302-4 5. Costa J.D. , Ferreira J.M. , and Ramalho A.L. : “Fatigue and Fretting Fatigue of Ion-Nitrided 34CrNiMo6 Steel,” Theor. Appl. Fract. Mech. , 2001...
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
... be difficult to determine where the nickel plating ends and the surface begins, as shown in Fig. 11(d) . Figure 12 shows an example of ion-nitrided hot work die steel with a brittle white-etching iron nitride surface layer that is quite visible when mounted in Epomet resin but would probably be very hard...
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
... contrast, it may be difficult to determine where the nickel plating ends and the surface begins, as shown in Fig. 3 (d). Figure 4 shows an example of ion-nitrided hot work die steel with a brittle white-etching iron nitride surface layer that is quite visible when mounted in a mineral-filled epoxy resin...
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
... metal ions into the body fluids, with possible toxic reactions. This aspect of fretting in aqueous electrolytes is discussed in detail subsequently. Fatigue failure is also possible ( Fig. 7 ). Fig. 7 Fracture in an orthopedic bone plate. A failure was caused by fretting damage (loss...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
... along elongated grains in heavily worked material, such as severely extruded alloys, or along the parting lines of some forgings ( Fig. 2b ). Grain facets may also be masked, such as by oxides, as is common of IG creep fracture surfaces. Fig. 1 SEM images of (a) IG fracture in ion-nitrided layer...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... are below 2.5 GPa (360 ksi). These investigations demonstrate that nitride and diamondlike coatings are able to perform well beyond the limitations of conventional steels. The most common application techniques include sputter coating and ion beam deposition, respectively. The effectiveness...
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
..., Auger electron spectroscopy, secondary ion mass spectroscopy, and X-ray powder diffraction. The article discusses the analysis and interpretation of base material composition and microstructures. Preparation and examination of metallographic specimens in failure analysis are also discussed. The article...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001752
EISBN: 978-1-62708-241-9
...-low sulfur contents. Both failed R1 (LS) and LF14 (ULS) crankshafts had core hardness values beneath the nitrided case within the manufacturer’s specified core hardness range of Brinell 311 to 363 (Rockwell “C” 33 to 39). Fracture Analyses Three of the 15 failed crankshafts that had...
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
..., or diffusion of impurity ions and sintering aids from the inner layers to the surface of the ceramic. A detailed survey of the subject is presented in Ref 14 . For hot corrosion to complement the data listed in Table 2 , only one significant result obtained on reaction-bonding silicon nitride (RBSN...
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
... candy” fracture. Fig. 9 Low-power light microscope view of a “rock candy” fracture in a tensile specimen taken from a cast steel that had aluminum nitrides segregated to the grain boundaries Macroscopic examination is commonly made using a low-power binocular stereomicroscope, which gives...
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
... scale-forming alloys appear to be much more resistant to carburization than the chromia scale-formers ( Ref 16 ). Nitridation Nitridation of alloys in ammonia environments is well known in ammonia and heat treating industries ( Ref 17 ). Nitridation attack by N 2 is known in the powder metal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... ). Grain facets may also be masked, such as by oxides, as is common of IG creep fracture surfaces. Fig. 1 Scanning electron microscopy images of (a) intergranular fracture in ion-nitrided layer of ductile iron (ASTM 80-55-06), (b) transgranular fracture by cleavage in ductile iron (ASTM 80-55-06...
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
..., the investigator should ensure that results, regardless of whether they were obtained using quantitative of qualitative techniques, are not obscured by any surface coatings, platings, carburized layers, contamination, or any other factor that would interfere. Surface treatments such as carburizing and nitriding...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... as a product of the cathodic reaction, which can cause hydrogen embrittlement ( Ref 18 , 19 ). When a metal dissolves in an acidic solution, its released electrons react with hydrogen ions in the solution to produce hydrogen at the cathode. The hydrogen can enter into the metal in atomic form rather than...