1-20 of 64 Search Results for

hypoeutectoid microstructure

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 August 2013
Fig. 12 Influence of chemical composition (carbon content) and previous heat treatment on transformation-depth profiles, hardness profile, and microstructure for (a) hypoeutectoid steel, (b) hypereutectoid steel, and (c) cast iron. H+T, hardened + tempered; N, normalized; SA, soft annealed; LM More
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006228
EISBN: 978-1-62708-163-4
... within the grain interiors surrounded by proeutectoid ferrite at the prior austenite grain boundaries. Fig. 18 Equilibrium cooling of a hypoeutectoid steel. Source: Ref 3 The microstructure of a hypoeutectoid steel depends on how rapidly it is cooled from the austenitic phase region. Very...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005885
EISBN: 978-1-62708-167-2
... Abstract This article focuses on the specific features of carbon steels and alloy steels that are pertinent to heating by induction for warm and hot working processes. It provides a detailed account of the effects of various microstructures on austenitization kinetics for AISI 1045 steels...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005787
EISBN: 978-1-62708-165-8
... and cooling at unspecified rates and for unspecified holding times. Figure 2 shows the range of temperatures used for spheroidization of hypoeutectoid and hypereutectoid steels. The rates of spheroidizing provided by these methods depend somewhat on prior microstructure, being greatest for quenched...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003723
EISBN: 978-1-62708-177-1
... Abstract This article introduces basic physical metallurgy concepts that may be useful for understanding and interpreting variations in metallographic features and how processing affects microstructure. It presents some basic concepts in structure-property relationships. The article describes...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005819
EISBN: 978-1-62708-165-8
... into the austenite grain. Eventually, the carbon concentration is sufficient for pearlite formation, and the balance of the microstructure is transformed to pearlite. The microstructures of two hypoeutectoid steels are shown in Fig. 20 . They have a mixed ferrite-pearlite microstructure, with the amount of pearlite...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005786
EISBN: 978-1-62708-165-8
... microstructure in many steels, which transforms during later processing or heat treatment to the microstructure desired in the particular steel alloy of interest. Austenitization refers to heating into the austenite phase field, during which the austenite structure is formed. Austenite is the high-temperature...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003763
EISBN: 978-1-62708-177-1
... and martensite, which form at faster cooling rates and thus are not represented by the equilibrium conditions of the iron-carbon diagram. However, microstructures with these constituents also can have proeutectoid ferrite or proeutectoid cementite present, and these steels are still considered hypoeutectoid...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003085
EISBN: 978-1-62708-199-3
... in commercial applications, thus improving product predictability. This article describes different equilibrium phase diagrams (unary, binary, and ternary) and microstructures, description terms, and general principles of reading alloy phase diagrams. Further, the article discusses plotting schemes; areas...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003739
EISBN: 978-1-62708-177-1
... in nonferrous systems. bainite ferrous metals nonferrous metals surface relief BAINITE describes the resultant microstructure in steels of the decomposition of austenite (╬│) into ferrite (╬▒) and cementite (Fe 3 C) in the temperature range above the martensitic transformation and below...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002349
EISBN: 978-1-62708-193-1
... propagate at fairly low stress levels, a phenomenon that is briefly reviewed in this article along with the microstructural factors that influence toughness. Fracture Behavior In most structural failures, final fracture is usually abrupt after some sort of material or design flaw (such as a material...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003246
EISBN: 978-1-62708-199-3
... Abstract This article is a pictorial representation of commonly observed microstructures in iron-base alloys (carbon and alloy steels, cast irons, tool steels, and stainless steels) that occur as a result of variations in chemical analysis and processing. It reviews a wide range of common...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003725
EISBN: 978-1-62708-177-1
... steel, the austenite transforms into ferrite and pearlite if the composition is hypoeutectoid and into cementite and pearlite for hypereutectoid steel. Depending on cooling rate and composition, low-alloy steels can have various microstructures consisting of different forms and combinations of pearlite...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001008
EISBN: 978-1-62708-161-0
... Abstract This article describes microstructures and microstructure-property relationships in steels. It emphasizes the correlation of microstructure and properties as a function of carbon content and processing in low-alloy steels. The article discusses the iron-carbon phase diagram...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
... failures, and undesired surface layers and metallurgical factors contributing to (in-service) machined part failures. The second part of the article discusses the effects of microstructure on machining failures and their preventive measures. machined part failures machining microstructure...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005800
EISBN: 978-1-62708-165-8
... the parameters associated with resistance spot welding, laser welding, and metal active gas welding. It also provides useful information of retained austenite volume fraction measured by x-ray diffraction and electron backscatter diffraction. The article also examines microstructure evolution during tensile...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005808
EISBN: 978-1-62708-165-8
..., and thermokinetic phase transformations. It also describes the influence of cooling rate on laser heat treatment and the effect of processing parameters on temperature, microstructure, and case depth hardness. chemical vapor deposition electroless plating electroplating glazing hardening hardness heat...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006263
EISBN: 978-1-62708-169-6
... both the microstructure and the macrostructure of a given alloy. Hence, for a fixed chemistry, the structure can be varied dramatically by thermomechanical processing and heat treatment. The first topic that must be discussed is the types of titanium alloys, because effective heat treatments depend...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005798
EISBN: 978-1-62708-165-8
.... Microscopic Examination Microscopic examination reveals surface carbon variations that are manifested by variation in microstructure. The effect of carbon content on microstructure varies from steel to steel. It also varies for a given steel, depending on the thermal treatment of the sample. When using...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005414
EISBN: 978-1-62708-196-2
... Abstract Computer simulation of microstructural evolution during hot rolling of steels is a major topic of research and development in academia and industry. This article describes the methodology and procedures commonly employed to develop microstructural evolution models to simulate...