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V-junction

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Published: 01 December 2008
Fig. 7 Comparison of defects obtained in V-junctions of castings produced under conditions controlled in such a manner as to encourage the defects. Section size of tests: 3 by 3 in. Members intersect at 45 degrees. More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009024
EISBN: 978-1-62708-187-0
... Abstract In most castings, there are junctions between intersecting component members. This article describes how defects can be eliminated in five types of junctions in steel castings, namely the L-junction, T-junction, V-junction, X-junction, and Y-junction. It also discusses design...
Image
Published: 01 January 1990
Fig. 23 Effect of applied magnetic field on the critical current of the total loop in a two-junction superconductor. (a) The dc SQUID consists of two junctions carrying a bias current ( I ). The voltage ( V ) is measured as a function of the magnetic field. (b) In the presence of a magnetic More
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005422
EISBN: 978-1-62708-196-2
... implementation of the model, the equation of motion for the grain boundary and for the triple junctions is considered separately. A grain boundary moves with a velocity ( V ): (Eq 2) v = m g b   p where m gb is the grain boundary mobility, and p is the driving force. For the general case...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003592
EISBN: 978-1-62708-182-5
... − ions. As a result, a charge separation appears at the limit between the two liquids, the liquid junction. This produces a potential difference called the liquid junction potential, which is included in the measured voltage, V , as expressed in: (Eq 12) V = V T − V R + V LJP...
Image
Published: 01 January 2003
Fig. 4 Schematic of an electrochemical cell with liquid junction potential. P, interface; V, voltmeter More
Image
Published: 31 August 2017
Fig. 2 Schematic representation of a lamellar eutectic microstructure showing alternating lamellae of α and β phases, the lamellar spacing λ, and the contact angles θ α and θ β at the triple-point junction. The vector V represents the growth velocity. Source: Ref 23 More
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006303
EISBN: 978-1-62708-179-5
... At the entrance to the sprue, if the height h 1 is 150 mm (0.150 m) below the metal level in the pouring basin, the velocity V 1 of the metal entering the sprue is: (Eq 4) V 1 = 2 × 10 × 0.150 = 3 = 1.73 m / s Fig. 9 Sprue/runner junction. (a) Traditional design...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001740
EISBN: 978-1-62708-178-8
... n F ln ( a i a i ′ ) where E cell is the measured cell potential, E const is a potential term that includes all cell potentials remaining constant throughout the measurement, R is the universal gas constant (8.31441 V · C/K/mol), T is the temperature...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001109
EISBN: 978-1-62708-162-7
... the junction. Associated with the appearance of the dc voltage, the super-electron current begins flowing back and forth across the junction with a frequency of v = 2 eV dc / h , where e is the charge of an electron. The superelectron current produces an ac ripple voltage on top of the dc voltage...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005507
EISBN: 978-1-62708-197-9
... Interatomic potential r ij Atomic distance γ Grain-boundary energy, grain-boundary surface tension V Grain-boundary velocity P Driving force for grain-boundary migration m Grain-boundary mobility A Reduced grain-boundary mobility (product m · γ) ρ Dislocation density...
Book Chapter

Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003799
EISBN: 978-1-62708-183-2
... be (1.000+0.241)=+1.241 V versus SHE. An electrode potential of −1.000 versus SCE would be (−1.000+0.241)=−0.759 V versus SHE. (a) E ′ is the standard potential for the half cell corrected for the concentration of the ions. (b) E ′′ also includes the liquid junction potentials for a saturated KCl...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002475
EISBN: 978-1-62708-194-8
... the case, even at a constant temperature. Perhaps the most striking example is the V - I (voltage-current) characteristic (interdependence) of a semiconductor diode, formed at the junction of two oppositely doped regions. In addition to being highly nonlinear, it is very strongly polarity dependent...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001098
EISBN: 978-1-62708-162-7
... ) where R S is the resistance of a large resistor in series with the thermoelements to minimize the effect of the resistance of the thermoelements. If E A − ( E A + V AB ) is positive, the thermoelectric current I will flow continuously from A to B at the cold junction. In this case...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005299
EISBN: 978-1-62708-187-0
... 1.00 2.35 6. Molybdenum (0.39) 1.65 0.04 0.72 2.33 7. Vanadium (0.25) 1.40 0.09 1.02 2.32 8. Mn-Si (1.35)(1.15) 1.54 0.14 0.96 2.35 9. Ni-Mn (1.46)(1.24) 1.70 0.19 0.86 2.37 10. Mn-Mo (1.41)(0.37) 1.68 0.02 0.66 2.32 11. Mn-V (1.41)(0.16) 1.50 0.13 0.96 2.33...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009015
EISBN: 978-1-62708-187-0
... to the square of the volume-to-area ratio of the casting (or casting section). This rule can be stated mathematically as follows: (Eq 1) t f = K • ( V c A c ) 2 where t f is the total solidification time for the casting or casting section, V c is the volume...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004115
EISBN: 978-1-62708-184-9
... between the conductors and the pipeline in the relationship shown in Eq 1 : (Eq 1) V ac = f [ I ac ,   L , 1 D ] where V ac is the induced ac voltage, I ac is the phase current, L is the length of parallel section, and D is the distance between conductor(s...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003248
EISBN: 978-1-62708-199-3
... for curved surfaces … V mm 3 Volume of three-dimensional structural elements or test volume … A A mm 2 /mm 2 Sum of areas of intercepted features divided by total test area Areal fraction S V mm 2 /mm 3 Surface or interface area divided by total test volume (surface-to-volume...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005221
EISBN: 978-1-62708-187-0
... areas chosen are often 1 to 2 to 2 or 1 to 2 to 4 and so on. The assumption has been that the volume flow rate, Q (m 3 /s), and velocity, V (m/s), relate to the area, A (m 2 ), of the stream by the simple equation: (Eq 1) Q = A • V The problem with this approach is that Eq 1...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0005549
EISBN: 978-1-62708-162-7
... centiStokes ABST 0:-13 solution treatment bcc body-centered cubic CST constitutional solution treatment bct body-centered tetragonal CTOD crack tip opening displacement ac alternating current BDT brittle-ductile transition CVD chemical vapor deposition CVN Charpy V-notch (impact test or ACem in hypereutectoid...