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composition limits

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0045903
EISBN: 978-1-62708-223-5
..., the failure appeared to have resulted from corrosion-assisted fatigue, and the inclusion concentration in the fracture-initiated area indicated that the chemical-composition limits for sulfur and manganese would have greatly exceeded material specifications. A higher quality steel was recommended...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046022
EISBN: 978-1-62708-217-4
... attachment fitting forged from aluminum alloy 2014-T6. The component cracked during straightening, then fractured in service Investigation The fitting was analyzed spectrographically and found to be within the required composition limits for aluminum alloy 2014. Visual examination revealed a brown...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006911
EISBN: 978-1-62708-395-9
... limit of polymer composites and polymer testing best practices. friction testing lubrication polymers wear rate wear testing TRIBOLOGY is the study of contacting materials in relative motion, more specifically the study of friction, wear, and lubrication ( Ref 1 ). The term tribology...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0047121
EISBN: 978-1-62708-218-1
... composition and hardness, both of which were found to be within prescribed limits. This evidence supports the conclusions that the failure was caused by fatigue cracks that initiated in an area having an excessive amount of inclusions. The inclusions were located in a transition zone, which is a region...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001819
EISBN: 978-1-62708-241-9
... Table 3 shows the limits of chemical composition for 316L austenitic stainless steel prescribed by standard ASTM A 276–92 [ 7 ] (maximum or range). The nitrogen content is above and the nickel content is below the limits determined by ASTM A 276–92 for 316L grade austenitic stainless steel. Limits...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001123
EISBN: 978-1-62708-214-3
... Abstract Extensive cracking was found in a batch of die-cast ZAMAK 3 solenoid valve seats during commissioning of the system in which they were installed. Scanning electron microscopic and chemical analyses conducted on one of the failed valve seats showed that the composition of the alloy...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001786
EISBN: 978-1-62708-241-9
...) revealed areas of damage due to rubbing with evidence of cleavage fracture on the unaffected surfaces. The results of stress analysis indicated that repeated reversals of the spindle produced stresses exceeding the fatigue limit of the shaft material. These stresses led to the formation of microcracks...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... Abstract Of the many different nondestructive evaluation (NDE) techniques, ultrasonic inspection continues to be the leading nondestructive method for inspecting composite materials, because measurements can be quantitative and the typical defect geometries and orientations lend themselves...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
.... The choice of appropriate analytical techniques is determined by the specific chemical information required, the condition of the sample, and any limitations imposed by interested parties. This article discusses some of the commonly used quantitative chemical analysis techniques for metals. The discussion...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001804
EISBN: 978-1-62708-241-9
... in the fabrication of screws and also the specified limits of elements contents, respectively [ 6 , 15 ]. Chemical composition of the stainless steel used in the manufacture of the screws: contents of each element found detected in the sample and specified limits according to the ISO 5832-1 standard Table 1...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006770
EISBN: 978-1-62708-295-2
... contact during x-ray acquisition. Detection limits for XRF units vary across the elemental spectrum, so data collection can be more difficult for certain elements, as shown in Fig. 7 . While XRF units can report quantitative compositions with reasonable precision, for the majority of applications...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... of a failure investigation. Minor deviations from specified composition must not be interpreted as the sole cause of a failure, without much additional supporting evidence. All chemical analysis methods have their limitations and proper uses. This article describes some of the more common elemental composition...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001371
EISBN: 978-1-62708-215-0
... subjected to spectrochemical analysis. The results of the analysis and the composition limits for type 410 stainless steel are summarized in Table 1 . Comparison of the results with the standard composition for type 410 shows that the three areas are within specification and, more importantly...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001761
EISBN: 978-1-62708-241-9
... precautionary measures might be adopted during the overhaul of similar engines. Experimental Investigation The chemical composition of the failed crankshaft was analyzed by spectroscopy chemical analysis. The microstructure of the crankshaft material and its nitrided layer at the journals were observed...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001834
EISBN: 978-1-62708-241-9
..., this scale is composed primarily of the spinel phase with limited Cr 2 O 3 distributed at the front. The outer layer is predominantly composed of hematite and magnetite formed by the outward diffusion of Fe 2+/3+ . Figure 2c presents the EDS results for oxidation composition near the matrix. The oxidation...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001318
EISBN: 978-1-62708-215-0
... Intergranular fracture Mercury Rupturing Safety equipment C22000 UNS C22000 Liquid metal induced embrittlement Background Applications Commercial bronze rupture discs (C22000) are used in a safety device integral with valves used on flammable gas containing cylinders. C22000 composition limits...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0090974
EISBN: 978-1-62708-235-8
...-and-tempered microstructure contained solidification shrinkage, inherently poor ductility, and type II Mn-S inclusions that are known to reduce ductility. The macro and microscale fracture features confirmed that the casting was likely in low-temperature service at the time of failure. The composition...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001776
EISBN: 978-1-62708-241-9
... at the grain boundaries may have occurred because of improper heat treatment, but not because of a deficiency in composition. crusher jaws fracture embrittlement steel grainy surface texture metallographic analysis impact strength ASTM A 128 grade B-4 (austenitic manganese steel) UNS J91149...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001280
EISBN: 978-1-62708-215-0
... disintegration by a torch-burning effect. Pertinent Specifications The tubes were spun cast in ASTM A 608 grade HK-40 alloy with the specified composition limits shown in Table 1 . Average dimensions of the tubes after service were: Results of chemical analysis Table 1 Results of chemical analysis...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001300
EISBN: 978-1-62708-215-0
... Analysis/Identification The chemical composition of the gear material is given in Table 1 , along with the specification for AISI 4140. The gear material meets the chemical requirements of the specification. Chemical composition of the bull gear (% by weight) Table 1 Chemical composition...