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Brinell hardness

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001462
EISBN: 978-1-62708-224-2
... at the mid-length of the sides. Brinell hardness values confirmed that the link was made from the higher tensile grade of material. The cracks were due to fatigue, there being no indications that the weld was initially defective. Butt welds Chains Steel chain Fatigue fracture The following case...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
...-14, ASTM International 4. “ Standard Test Methods for Bend Testing of Metallic Flat Materials for Spring Applications Involving Static Loading ,” E 855-08, ASTM International , 2013 5. “ Standard Hardness Conversion Tables for Metals Relationship among Brinell Hardness, Vickers Hardness...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001760
EISBN: 978-1-62708-241-9
... Alloy Permanent Mold Casting Alloy Material Specification , Standard No. IK-150-11-1-0014 ( 2007 ) 3. Test Method for Brinell Hardness Test of Metallic Materials , Standard No. ASTM E10-06 ( 2006 ) 4. Properties and Selection: Nonferrous Alloys and Special-Purpose Materials , vol. 2 . ASM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001198
EISBN: 978-1-62708-221-1
... at a comparatively high temperature for stress relief. The core structure of the caps consisted of graphite in pearlitic-ferritic matrix ( Figs. 6 and 7 ). The average Brinell hardness was 160 kgf/mm 2 , from which a low strength could be inferred. Fig. 2 Section through groove parallel to fracture, etch...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001134
EISBN: 978-1-62708-214-3
... a carburized case depth of approximately 0.2 mm (0.007 in.). An estimated conversion to Brinell hardness suggested that the material was harder than the value recommended for safety (302 to 352 HB). Microhardness values <xref rid="c9001134-tn1" ref-type="table-fn">(a)</xref> Table 1 Microhardness values...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048164
EISBN: 978-1-62708-217-4
... recommended. Brinelling Loads (forces) Support 6150 UNS G61500 Brittle fracture Fatigue fracture A flat spring for the main landing gear of a light aircraft broke after safe execution of a hard landing. The spring ( Fig. 1a ) was submitted for laboratory examination. No information...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0001784
EISBN: 978-1-62708-218-1
... in.) radius shown in Fig. 1 . The lever is pivoted in a ball socket, and the maximum load transmitted at end A is 1.8 kN (400 lbf). The steel is 1049 hardened to 269 to 285 HB, with properties as given in Table 1 . Fatigue strength of heat-treated wrought steel of various Brinell hardness ranges...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001449
EISBN: 978-1-62708-221-1
... of development of the fracture that the crack at one side of the plate had served as the point of initiation. The fracture surface was bounded by narrow lips, indicative of shear failure. The welds were not of a pronounced convex form, nor was severe undercutting present. The Brinell hardness of the material...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0048052
EISBN: 978-1-62708-224-2
... temperatures. The chains were retempered to a hardness of 302 to 375 HRB as a corrective measure and subsequently ordered chains had this hardness as a requirement. Brinell hardness Cranes Notch sensitivity Alloy steel Brittle fracture Over a 1-year period, chain-link fractures occurred in many...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0048077
EISBN: 978-1-62708-221-1
...-quenched and tempered to a hardness of 302 to 352 HRB and all machining discontinuities were removed. Brinell hardness Fatigue strength Magnetic particle testing Radii 1040 UNS G10400 Fatigue fracture The 14-cm (5 1 2 -in.) diam main hoist shaft of a mobile shovel was found to have...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001530
EISBN: 978-1-62708-225-9
.... Moreover, good bearing appears to have a homogenized structure while the failed bearing has an as-cast dendritic structure. The higher lead content of the good bearing is translated into a lower Brinell hardness. Industrial experience showed that these two materials performed in a dramatically different...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001018
EISBN: 978-1-62708-217-4
...Abstract Abstract Initial investigation showed that a landing gear failure was the result of a hard landing with no evidence of contributory factors. The objective of reexamination was to determine whether there was any evidence of metallurgical failure. The landing gear was primarily an AISI...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0047406
EISBN: 978-1-62708-232-7
... the month in question were reported as normal, overloading did occur. The pinion was specified to be made of 1045 steel and to be heat treated to a hardness of 245 HB. Alignment Brinell hardness Gear teeth Stress concentration Fe-0.32C-1.57Cr-0.37Mo Fatigue fracture ...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001533
EISBN: 978-1-62708-225-9
... 32 (Carl Zeiss Jena Gmbh, Germany) and JSM 840, (JEOL Corp., Tokyo, Japan) respectively). Mechanical tests, of the specimens were performed using the Instron universal dynamometer (Instron Corp., Canton, MA). Brinell hardness was determined with a hardness gauge at a load of 610 N and a ball diameter...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001845
EISBN: 978-1-62708-241-9
... by hot air stream drying. Fractographic observation was conducted using a scanning electron microscope equipped with an energy-dispersive X-ray spectrometer. Brinell hardness with 750 kg load was also performed on the splints. Chemical analysis by inductively coupled plasma (ICP) was applied to identify...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001188
EISBN: 978-1-62708-235-8
... crystalline final break (left bottom). Fig. 1 Fracture. Approx. 0.5× Chemical analysis showed that the steel composition corresponded to the Ck 35 specification according to DIN 17200. On the basis of the Brinell Hardness, found to be 153 to 154 kg/mm 2 , the strength requirement of the standard...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0089696
EISBN: 978-1-62708-220-4
... Brinell hardness, and nondestructive testing (dry magnetic particle). The crossheads were subsequently machined in-house by the customer. Specimen Selection The fracture surface from one side of the crosshead was sawed off to obtain specimens for examination. A full cross section was polished...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001089
EISBN: 978-1-62708-214-3
... repair, normalizing, quenching and tempering, drawing to the required Brinell hardness, and nondestructive testing (dry magnetic particle). The crossheads were subsequently machined in-house by the customer. The fracture surface from one side of the crosshead was sawed off to obtain specimens...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001468
EISBN: 978-1-62708-221-1
... in the photograph. A specimen for microscopical examination was taken from the origin of the major crack—marked A in the illustration. The material was a mild steel in the normalised or annealed condition, having a carbon content of approximately 0.3%. Brinell hardness tests gave values of 174–179, indicative...