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Published: 01 January 1986
Fig. 36 Superposition of [001] σ and [111] γ standard projections. Underlined hkl refers to σ phase. More
Image
Published: 01 January 1986
Fig. 4 Diffraction from a family of rows spaced d hk apart and its dependence on wavelength. Each solid circle represents a row of atoms into the plane of the paper. Rays with wavelength λ fall on this family of rows at an angle θ 0 . Interference maxima occur at angles θ hk More
Image
Published: 01 January 1990
Fig. 11 Statistical spread in mechanical properties of HK alloy. Data are for 183 heats of HK alloy produced in a single foundry. Tests were performed at room temperature on as-cast material. More
Image
Published: 01 December 2004
Fig. 33 Alloy HK-35, as-cast. Scattered eutectic carbide in austenite matrix and at grain boundaries; patches of the lamellar constituent also are associated with grain boundaries. No fine particles of carbide have precipitated during freezing and mold cooling. Glyceregia. Original More
Image
Published: 01 December 2004
Fig. 10 The as-cast microstructure of HK-40 (J94214) steel. 250×. Source: Ref 7 More
Image
Published: 15 December 2019
Fig. 19 Illustration of relationship between direct and diffracted beams at an ( hkl ) plane of a crystalline structure More
Image
Published: 15 December 2019
Fig. 4 Diffraction from a family of rows spaced d hk apart and its dependence on wavelength. Each solid circle represents a row of atoms into the plane of the paper. Rays with wavelength λ fall on this family of rows at an angle θ 0 . Interference maxima occur at angles θ hk More
Image
Published: 31 December 2017
Fig. 13 Wear mode as a function of the friction factor, f HK , and the attack angle, θ. The friction factor is a dimensionless shear-strength parameter defined as the quotient of the interfacial shear stress and the shear strength of the soft metal. More
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006897
EISBN: 978-1-62708-392-8
Image
Published: 01 January 1986
Fig. 4 Precession photographs showing three layers of a diffraction pattern. The layers contain the hk 0, hk 1, and hk 2 reflections. The sixfold rotation axis through the center of each layer is visible. Not visible is a mirror plane coincident with the hk 0 layer, which makes the h , k More
Image
Published: 01 January 1986
the (2 h 2 k ), ( hk ), (00), ( hk ), and (2 h 2 k ) beams from a family of rows ( hk ) with spacing d hk . (b) The corresponding cut through the reciprocal lattice and Ewald construction. The reciprocal-lattice rods are normal to the crystal surface, given by the nearly horizontal line More
Image
Published: 15 December 2019
diffracted beams represent the ( 2 h ¯ , 2 k ¯ ), ( h ¯ k ¯ ), (00), ( hk ), and ( 2 h , 2 k ) beams from a family of rows ( hk ) with spacing d hk . (b) The corresponding cut through the reciprocal lattice and Ewald construction. The reciprocal More
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006655
EISBN: 978-1-62708-213-6
... rows. The orientation of these rows can be defined by two-dimensional Miller indices ( hk ) ( Fig. 2b ). Interrow distances can then be expressed in terms of two-dimensional Miller indices, just as they are for three-dimensional crystals. For example, for square or rectangular primitive unit meshes...
Image
Published: 31 December 2017
°F) with 30% dissociation of ammonia. Values for HRC and HR-15N hardness are equivalent values derived from HV or HK microhardness. More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003272
EISBN: 978-1-62708-176-4
...). The hardness number is actually based on the surface area of the indent itself divided by the applied force, giving hardness units of kgf/mm 2 . In the Knoop test, only the long diagonal is measured, and the Knoop hardness (HK) is calculated based on the projected area of the indent divided by the applied...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001769
EISBN: 978-1-62708-178-8
... of parallel rows. The orientation of these rows can be defined by two-dimensional Miller indices ( hk ) ( Fig. 2b ). Interrow distances can then be expressed in terms of two-dimensional Miller indices, just as they are for three-dimensional crystals. For example, for square or rectangular primitive unit...
Image
Published: 01 December 1998
Fig. 10 Hardness gradients in 1117 steel carbonitrided at 815 °C (1500 °F) for 1 1 2 h and quenched in oil. Required minimum hardness of 630 HK (55 HRC) at 0.025 mm below the surface was met by reducing the percentage and flow rate of ammonia or by adding a diffusion period after More
Image
Published: 01 August 2013
Fig. 15 Hardness gradients in 1117 steel carbonitrided at 815 °C (1500 °F) for 1 1 2 h and quenched in oil. Required minimum hardness of 630 HK (55 HRC) at 0.025 mm (0.001 in.) below the surface was met by reducing the percentage and flow rate of ammonia or by adding a diffusion More
Image
Published: 01 January 1990
Fig. 9 Effect of short-term elevated-temperature exposure on the tensile properties of wholly austenitic (type II) HH cast steel (a) and of five other heat-resistant cast steels: (b) HF cast steel, (c) HK-40 cast steel, (d) HN cast steel, (e) HP cast steel, and (f) HT cast steel. Long-term More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006397
EISBN: 978-1-62708-192-4
... describes the effect of the contact between a hard asperity with the geometry shown in Fig. 12 and a soft metal as a function of the attack angle, θ, and the dimensionless shear-strength parameter, f HK ( Fig. 13 ). The latter is defined as the quotient of the interfacial shear stress, τ int...