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Class 30

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047297
EISBN: 978-1-62708-235-8
...Abstract Abstract Door-closer cylinder castings manufactured of class 30 gray iron were breaking during machining. The manufacturing source reported that a random sampling of castings from this lot had hardnesses from 180 to 210 HRB. Based on the color of the components, heat treatment...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001375
EISBN: 978-1-62708-215-0
...Abstract Abstract Three sprinkler system dry pipe valve castings (class 30 gray iron), two that had failed in service and one that had been rejected during machining because of porosity, were submitted for examination. The two failures consisted of cracks in a seating face. All three were from...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003533
EISBN: 978-1-62708-180-1
... to the ductile/brittle transition Fig. 16 Fatigue failures. (a) Fatigue (upper right) changing to ductile failure (lower left). (b) Fatigue fracture of class 30 gray iron. (c) Single overload fracture of class 30 gray iron Fig. 17 Fatigue failure of a nonconductive polyvinyl chloride pipe...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006769
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006811
EISBN: 978-1-62708-329-4
... cup-and-cone feature Fig. 29 Optical microscopy image of part of the fracture surface of a bone fixation plate. Beach marks can be seen in the image emanating from the filleted radius at the top (medial side) of the fixation hole. Fig. 30 Scanning electron microscopy image...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001717
EISBN: 978-1-62708-217-4
... contractor specification; MIL-C-8837, Class 2 equivalent), followed by Epoxy Primer per MIL-P-23377, Type I, Class 3. Aircraft Flight Hours: 1148 Intended Service Life: Unlimited Figure 2 shows the fracture surface of the sectioned component in the as-received condition. This figure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001703
EISBN: 978-1-62708-227-3
... a broken piece of the spindle fell to the deck, so that there was concern both for the safety of the crew and the structural survivability of the antenna. Figure 1 shows the antenna mounting arrangement. There are two of these units on each of the twelve ships in this particular class, the first of which...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001141
EISBN: 978-1-62708-227-3
... Norske Veritas , 1974 . 8. “Rules and Regulations for the Classification of Ships” , Lloyds Register of Shipping , 1978 . 9. “Rules for Building and Classing Steel Vessels” , American Bureau of Shipping , 1981 . 10. “Guide for Steel Hull Welding” , Document D35–76, American Welding...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001050
EISBN: 978-1-62708-214-3
... the shell. An ultrasonic examination of all Yankee dryers of the same type was recommended to look for cracking at the edge of the shell. Modification of the head-to-shell joint was recommended as well. Bolted joints Shells (structural forms) Class 60 Corrosion fatigue Background Visual...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
... analysis in accordance with ASTM International Standard E415 Chemical composition, wt% C Mn P S Si Ni Cr Mo V Cu Al Ti Nb AAR M-107/M-208 class C    Maximum 0.77 0.90 0.030 0.040 1.00 0.25 0.25 0.10 0.040 0.35 0.060 0.03 0.05...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001303
EISBN: 978-1-62708-215-0
..., was higher than usual for this class of material and, as will be detailed later, may have had a deleterious effect on the ductility of the alloy. Tensile Properties Four tensile test pieces, 75 mm (3 in.) long and 6.4 mm ( 1 4 in.) in diameter, were taken from the flange between the bolt...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... to ISO 5753-1 Table 2 Radial clearance groups corresponding to ISO 5753-1 Type of class Qualification Application type Group N Normal radial clearance For general application used with standard fits and tolerances Group 2 Reduced radial clearance < normal For accurate...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001083
EISBN: 978-1-62708-214-3
... for quantitative chemical analysis. The chemical composition of the impeller material is presented in Table 2 , along with the chemical requirements for ASTM Specification B62, class C83600. The impeller material did not meet the chemical requirements. The phosphorus content of the material was too high: 0.22...
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 as heat exchangers in various segments of the chemical and power generation industries. It covers the fundamental aspects of chemical corrosion and describes the corrosion resistance characteristics of specific classes of refractories and structural ceramics. The article also examines the prevention...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006820
EISBN: 978-1-62708-329-4
... in ANSI/AGMA 1010-F14, “Appearance of Gear Teeth—Terminology of Wear and Failure” ( Ref 10 ), which organizes the analysis of the failures in the following classes, along with the contributing modes. The American Gear Manufacturers Association (AGMA) standard lists seven classes of gear failures...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001591
EISBN: 978-1-62708-227-3
... by the two White Star Line tenders, the SS Nomadic and the SS Traffic. Many of the first class passengers came on board at Cherbourg after having spent the winter in the South of France, on the Greek Isles, or in Egypt. The next morning, the RMS Titanic called at Queenstown (now Cobh), Ireland, where...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001453
EISBN: 978-1-62708-224-2
... there is little doubt that the mishap would have been obviated. This case illustrates the importance of identifying the class of material from which a lifting component is made, and it is most desirable that this information should be recorded, together with the safe working load, preferably on a metal tab...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001835
EISBN: 978-1-62708-241-9
... of the bolted joints The dimension of the blade bearing is 945 mm × 1255 mm × 130 mm, and it is assembled to the blade by means of M24 10.9 class bolts equally distributed along its inner ring. The total number of the bolts is 48. The bearing’s inner ring bolts connect the blade, the bearing’s inner ring...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001275
EISBN: 978-1-62708-215-0
.... It was elevated temperature strength class A and had a standard diameter ratio (SDR) of 11.5. For this SDR, the specified outer diameter is 11.43 ± 0.0229 cm (4.5 ± 0.009 in.) and the wall thickness is 1.04 ± 0.124 cm (0.409 ± 0.049 in.). There have been no general problems with the performance of squeeze...