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microstructure

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001592
EISBN: 978-1-62708-228-0
... developed to control and avoid those failures. This study presents various failure cases of sucker rods in different applications. The heat treatment of the steel material and the resulting microstructure are an important factor in the behavior of the sucker rod. A spheroidized microstructure presents...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001535
EISBN: 978-1-62708-232-7
... Abstract Although a precise understanding of roll failure genesis is complex, the microstructure of a broken roll can often unravel intrinsic deficiencies in material quality responsible for its failure. This is especially relevant in circumstances when, even under a similar mill-operating...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047140
EISBN: 978-1-62708-234-1
... that superficial working of the metal, probably insufficient hot working, produced a microstructure in which the carbide particles were not broken up and evenly distributed. As a result, the grains were totally surrounded with brittle carbide particles. This facilitated the formation of a crack at a fillet...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001816
EISBN: 978-1-62708-241-9
... ( a ) and super-index m ( b ) in superplastic behavior at 800 °C Fig. 6 Hot-rolled raw state microstructure ( a ), detected ferrite grain pattern ( b ), and ASTM G grain size distribution histogram ( c ) Fig. 7 Micrograph of a specimen superplastically deformed at 800 °C at a zone close...
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Published: 01 June 2019
Fig. 6 Microstructure of the rotor housing. (a) General microstructure. 100x. (b) Ferritic matrix with spheroidized pearlite. 500x. Both etched with nital More
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Published: 01 June 2019
Fig. 7 Microstructure of AISI 4130 steel. This microstructure is representative of the intentionally tested BFA shown in Figure 5 . More
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Published: 01 June 2019
Fig. 4 a). Microstructure of core 100 × b). Microstructure of core 500× More
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Published: 01 December 2019
Fig. 5 Microstructure of sample 3a far from the fracture surface. Microstructure is similar to Fig. 4 , indicating that reaustenitization had not occurred. More
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Published: 01 December 1993
Fig. 5 Microstructure of the feedwater piping. The microstructure consists of pearlite and ferrite. Nital etch. (a) 61×. (b) 488×. More
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Published: 01 December 1993
Fig. 5 Microstructure of U-bend sample T4. The microstructure consists of pearlite in a ferrite matrix. Nital etch. 608×. More
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Published: 01 December 1993
Fig. 3 Microstructure of the swaged section of the tube. The microstructure consists of austenite grains with carbides along the grain boundaries and slip lines within the grains. Oxalic acid electrolytic etch. Top, 62×, Bottom, 496× More
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Published: 01 June 2019
Fig. 4 Microstructure of a polished specimen from the wide pipe etched with ammonium persulphate. 200× More
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Published: 01 June 2019
Fig. 2 a). Microstructure of the fractured recuperator. 500×. Etching treatment: V2A-etching solution. b) Microstructure of the fractured recuperator. 500×. Etching treatment: ammonia water, 1.5 V (etching of carbides). c) Microstructure of the fractured recuperator. 500×. Etching treatment More
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Published: 01 June 2019
Fig. 3 a) Microstructure of the unused recuperator. 500×. Etching treatment: V2A-etching solution. b) Microstructure of the unused recuperator. 500×. Etching treatment: ammonia water, 1.5 V (etching of carbides). c) Microstructure of the unused recuperator. 500×. Etching treatment: ammonia More
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Published: 01 June 2019
Fig. 4 External surface (gas side). Surface microstructure of a pipe from Group 2. Cross section, unetched. 200× More
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Published: 01 June 2019
Fig. 5 Internal surface (air side). Surface microstructure of a pipe from Group 2. Cross section, unetched. 200× More
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Published: 01 June 2019
Fig. 6 External surface (gas side). Surface microstructure of a pipe from Group 3 Cross section, unetched. 200× More
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Published: 01 June 2019
Fig. 7 Internal surface(air side). Surface microstructure of a pipe from Group 3 Cross section, unetched. 200× More
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Published: 01 June 2019
Fig. 8 External surface microstructure of a pipe from Group 3. Cross section, etched in V2A pickle. 200× More
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Published: 01 June 2019
Fig. 9 External surface microstructure of a pipe from Group 2. Cross section, etched in V2A pickle. 200× More