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Published: 01 January 2005
Fig. 4 Potentiodynamic scan results of niobium and Nb-1Zr in 20% HCl at 100 °C (212 °F) with ferric ion. Saturated calomel electrode with scan rate of 0.3 mV/s More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006094
EISBN: 978-1-62708-175-7
... Abstract Superalloys are predominantly nickel-base alloys that are strengthened by solid-solution elements including molybdenum, tungsten, cobalt, and by precipitation of a Ni 3 (Al, Ti) type compound designated as gamma prime and/or a metastable Ni 3 Nb precipitate designated as gamma double...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003824
EISBN: 978-1-62708-183-2
... Corrosion rate Impurities Comments Nb Nb-1Zr °C °F mm/yr mils/yr mm/yr mils/yr 5 7 NW 50 122 nil nil … … … … 7 NW 60 140 0.001 0.04 … … … … 7 NW 80 176 0.002 0.08 … … … … 3-4 NW 100 212 0.015/0.0025 0.6/0.1 0.0025/0.005 0.1/0.2 … … 3-4 W...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003100
EISBN: 978-1-62708-199-3
... structural steel with 345 MPa (50 ksi) minimum yield point ≤100 mm (4 in.) in thickness Nb, V, Cr, Ni, Mo, Cu, Si, Ti, Zr Plate, bar, and shapes ≤200 mm (8 in.) in thickness Atmospheric-corrosion resistance four times that of carbon steel; nine grades of similar strength Welded, bolted, or riveted...
Image
Published: 01 January 2005
of Ni 3 Nb (dark areas) in gamma matrix. (b) Alloy 718 forging, solution annealed at 955 °C (1750 °F) for 1 h, air cooled; aged at 760 °C (1400 °F) and 650 °C (1200 °F) for 10 h each. The microstructure consists of a dispersed precipitate in nickel-rich gamma matrix. 100× (electrolytic etch: H 2 SO 4 More
Image
Published: 31 August 2017
Fig. 14 Microstructure of ASTM A532 class I, type A Ni-Hard with an addition of 0.52 wt% Nb revealing (a to d) the shape and distribution of the graphite, the presence of NbC (visible in d), and (e and f) the eutectic ledeburitic carbide phase and the plate martensite matrix with some retained More
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001111
EISBN: 978-1-62708-162-7
... distribution that remains intact during the reaction heat treatment ( Ref 22 ). Recent work in which niobium and tantalum are mechanically alloyed has been successful in increasing J c by 30 to 50% at 10 T (100 kG) by reacting the wires such that the tantalum inclusions remain in the Nb 3 Sn ( Ref 23 , 24...
Image
Published: 01 December 2004
Fig. 39 Inconel 718 (UNS N07718) heat treated 100 h at 870 °C (1600 °F) to produce needlelike orthorhombic Ni 3 Nb. (a) Bright-field illumination. (b) Differential interference-contrast illumination. Particles in relief in (b) are niobium carbides; particles flush with the surface are niobium More
Image
Published: 27 April 2016
Fig. 17 Longitudinal section through directionally solidified high-speed steel (AISI M2 with 1.12% C and 1% Nb) that was cooled at 0.1 K/s to approximately 1320 °C (2410 °F), that is, 20 K below the onset of the peritectic transformation. Note the thicker layers of peritectic austenite More
Image
Published: 01 December 2004
Fig. 45 Longitudinal section through directionally solidified high-speed steel (AISI M2 with 1.12% C and 1% Nb) that was cooled at 0.1 K/s to approximately 1320 °C (2410 °F), that is, 20 K below the onset of the peritectic transformation. Note the thicker layers of peritectic austenite More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001424
EISBN: 978-1-62708-173-3
... N07041 0.09 19.0 bal 11.0 5.0 (max) 10.0 … 1.5 Al, 3.0 Ti, 0.006 B René 95 … 0.15 14.0 bal 8.0 … 3.5 3.5 3.5 Nb, 3.5 Al, 2.5 Ti, 0.05 Zr René 100 … 0.16 9.5 bal 15.0 … 3.0 … 5.5 Al, 4.2 Ti, 0.06 Zr, 0.015 B Udimet 400 … 0.06 17.5 bal 14.0 … 4.0 … 0.5 Nb, 1.5 Al...
Image
Published: 01 January 1990
Fig. 1 Examples of some of the many nonferrous alloys and special-purpose materials described in this Volume. Shown clockwise from the upper left-hand corner are: (1) a cross-section of a multifilament Nb 3 Sn superconducting wire, 1000×; (2) a high-temperature ceramic YBa 2 Cu 3 More
Image
Published: 01 January 1993
Fig. 23 Schaeffler diagram for stainless steel weld metal. A, austenite; F, ferrite; M, martensite. Point 100 is ASTM A 387A steel. Example: Point X on the diagram indicates the equivalent composition of type 318 (316 Cb) weld deposit containing 0.07% C, 1.55% Mn, 0.57% Si, 19.02% Cr, 11.87 More
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001025
EISBN: 978-1-62708-161-0
...–100 15–20 HSLA steel 0.08 1.30 max 0.15–0.40 0.20 Nb or 0.05 V 275–450 40–65 415–550 60–80 18–24 Heat-treated carbon steel  Normalized (b) 0.36 0.90 max 0.15–0.40 … 200 29 415 60 24  Quenched and tempered 0.20 1.50 max 0.15–0.30 0.0005 B min 550–690 80...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003155
EISBN: 978-1-62708-199-3
... 100 K. At temperatures below T c , the superconducting state will cease upon application of a sufficiently large magnetic field, termed the critical field, H c , which depends on temperature and decreases with increasing temperature. The same is true for current density; that is, a critical...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002190
EISBN: 978-1-62708-188-7
..., m/min (sfm) Feed, mm/tooth (in./tooth) Tool material grade, ISO (AISI) Speed, m/min (sfm) Feed, mm/tooth (in./tooth) Brazed Indexable Niobium: C103, C129Y, Nb-1Zr, Cb-752, FS-85, FS-291, WC-3015 170–225 Stress relieved 1 (0.040) 30 (100) 0.13 (0.005) S9, S11 (b) (T15, M42) (b...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003797
EISBN: 978-1-62708-177-1
... spots on the fracture surface of 86WC-8(Ta,Ti,Nb)C-6Co alloy. 500×. Microexamination Qualitative metallography in cemented carbides consists of evaluation of apparent porosity and carbide grain size. Apparent porosity is evaluated on the as-polished specimen using the ASTM B 276 procedure...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003737
EISBN: 978-1-62708-177-1
... compositions of nickel- and cobalt-base heat-resistant casting alloys Alloy Composition, % C Cr Mo Nb Ti Al B Zr Fe W V Ta Re Hf Ni Co Nickel-base alloys Alloy 713 C 0.12 12.5 4.2 2 0.80 6.1 0.012 0.10 2.5 … … … … … bal...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001013
EISBN: 978-1-62708-161-0
...–0.005 A 709 100, 100W (equivalent to A 514-A, B, C, E, F, H, J, M, P, Q) A 710 A 0.07 0.40–0.70 0.025 0.025 0.40 0.60–0.90 0.70–1.00 0.15–0.25 1.00–1.30 Nb, 0.02 min B 0.06 0.40–0.65 0.025 0.025 0.15–0.40 … 1.20–1.50 … 1.00–1.30 Nb, 0.02 min C 0.07 1.30–1.65 0.025...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001079
EISBN: 978-1-62708-162-7
... components  Augmenter liners C-103 (a)  Center body Cb-752 (a)  Flame holders Cb-752 (a) Rocket nozzles FS-85 (a) , Ta-10W (Ta-Hf clad) Thermal shields C-129Y (a) Porous ionizer plates Tungsten Heat shields and cesium vapor inlet tubes (ion engine) Tantalum Fasteners Nb...