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metallic pressure bars

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003178
EISBN: 978-1-62708-199-3
... coils of varying diameters Fig. 13 Effect of distance between supports on straightness readings for round bars Abstract This article discusses the mechanics, surface preparation and principles of metal forming operations such as drawing, bending (draw bending, compression bending...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003983
EISBN: 978-1-62708-185-6
... Abstract Rotary swaging is an incremental metalworking process for reducing the cross-sectional area or otherwise changing the shape of bars, tubes, or wires by repeated radial blows with two or more dies. This article discusses the applicability of swaging and metal flow during swaging. It...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005261
EISBN: 978-1-62708-187-0
... requirements and is limited to the capability of the furnace seals but seldom exceeds 150 kPa (1.5 bar) in most applications. The pressure is held during casting solidification to keep the mold full and to provide feed metal to the in-gate or sprue. Solidification under pressure also maintains intimate contact...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005654
EISBN: 978-1-62708-198-6
... Abstract This article describes some of the mechanical/ electrochemical phenomena related to the in vivo degradation of metals used for biomedical applications. It discusses the properties and failure of these materials as they relate to stress-corrosion cracking (SCC) and corrosion fatigue (CF...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005292
EISBN: 978-1-62708-187-0
... Abstract High-pressure die casting is a fast method for net shape manufacturing of parts from nonferrous alloys. This article reviews the automation technologies for the different stages or steps of the process. The steps include liquid metal pouring, injection, solidification, die open, part...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005813
EISBN: 978-1-62708-165-8
.... 14 Load configuration for low-pressure carburizing of sun gears. 20MnCr5HH gear wheel; 576 parts per batch; cycle time, 215 min; carburizing temperature, 945 °C (1735 °F); nitrogen, 8 bar (6000 torr); case-hardening depth, 0.65–0.75 mm (0.026–0.030 in.); core hardness, 35–38 HRC Fig. 15...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005806
EISBN: 978-1-62708-165-8
... atmospheric but also low-pressure processes between 200 mbar and 1 bar and high-pressure variants up to 12 bar Deep wear-resistant diffusion zone with high hardness with only restricted compound layer Nitriding of stainless steels Similar to classical nitriding with a depassivation stage prior to the...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005776
EISBN: 978-1-62708-165-8
... procedures, as well as the equipment used (salt bath furnaces) and safety precautions to be undertaken during the liquid nitriding process. It describes the different types of liquid nitriding process, namely, liquid pressure nitriding, aerated bath nitriding, and liquid nitrocarburizing. Environmental...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003107
EISBN: 978-1-62708-199-3
... (in effect, increasing the section thickness) by judicious placement of flowoffs and risers. Mechanical property values obtained from test bars are sometimes the only available guides to the actual mechanical properties of the metal in production castings. When test bars and castings are both...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006467
EISBN: 978-1-62708-190-0
... products that are cold drawn, die scratches may be added. Most flaws in steel bars can be traced back to the pouring of the hot metal into molds. Factors that work against obtaining a perfect homogeneous product include: The fast shrinkage of steel as it cools (roughly 5% in volume) The gaseous...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003120
EISBN: 978-1-62708-199-3
... … … … … 7.5 … 0.5 Mn, 0.5 Si (a) B-1900 + Hf also contains 1.5% Hf. (b) MAR-M 200 + Hf also contains 1.5% Hf. Superalloys have been used in cast, rolled, extruded, forged, and powder-processed forms. Sheet, bar, plate, tubing, shafts, airfoils, disks, and pressure vessels (cases...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005301
EISBN: 978-1-62708-187-0
... may be reduced. This observation was first noted by Levy in 1978 ( Ref 28 ), who described steps undertaken at Reynolds Metals to increase ductility in low-pressure die-cast aluminum wheels. Prior to this time, most aluminum wheels in the United States were sold to the automotive aftermarket. The...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005931
EISBN: 978-1-62708-166-5
.... Vacuum heat treatment of certain alloys requires careful consideration of the cooling rates required. Cooling requirements are generally provided by the alloy manufacturer, NADCAP, or part manufacturer's metallurgical requirements. Items that affect cooling rates are cooling pressure, gas flow, blower...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003829
EISBN: 978-1-62708-183-2
..., ASM Handbook , 1987. Next to gold, silver is the most easily fabricated metal in the periodic table. It is very soft and ductile in the annealed condition. Silver is available in a large variety of product forms, including sheet, strip, foil, bar, wire, and shaped extrusions. Although silver work...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006281
EISBN: 978-1-62708-169-6
... bronze) 86.0 (g) min to 89.0 max 0.09 max 0.40 max 7.5–8.5 1.0–5.0 0.05 max 0.01–0.65 S; 1.0 max Ni; 0.20 max Mn; 0.10–1.5 Sb; 0.10 max B; 0.10 max C; 0.10 max Ti; 0.10 max Zr C90500 Gun metal 86.0 min to 89.0 (b) (h) max 0.30 max 0.20 max 9.0–11.0 1.0–3.0 0.05 (d) max 0.05 max S...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001277
EISBN: 978-1-62708-170-2
.... Painting offers the following advantages over other processes used for the protection or decoration of metal parts and assemblies: The equipment required for applying paint is usually less expensive to buy and install, is simpler to operate, and requires less control. Material and labor costs per...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006280
EISBN: 978-1-62708-169-6
.... Cartridge brass 70 30 … Good cold working properties. Used for ammunition cases Common brass 43 37 … Also called rivet brass. Cheap and standard for cold working DZR brass 85 15 … Dezincification-resistant brass with a small percentage of arsenic Gilding metal 95 5 … Softest type of...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006286
EISBN: 978-1-62708-169-6
... and (b) elongation of Ti-6Al-4V α-β alloy. Bar, 13 mm ( 1 2 in.) in diameter, was solution treated 1 h at 955 °C (1750 °F), water quenched, aged 6 h at 480 °C (900 °F), and air cooled. Source: Ref 11 Methods for generating the fastest quench rates involve thin metal foils heated and...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005323
EISBN: 978-1-62708-187-0
... properties and specifications of test bar. It discusses the properties of gray iron, such as fatigue limit, pressure tightness, impact resistance, machinability, and dimensional stability, at both room and elevated temperature. Wear behavior of gray iron castings during sliding contact under conditions of...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005340
EISBN: 978-1-62708-187-0
... “contaminated” metal before pouring/casting. Fig. 1 Inclusion (dross from melt) on machined surface led to broken machine tool. (a) Inclusion on machined surface. (b) Fracture through inclusion Fig. 2 Oxide inclusions in tensile bars machined from actual castings contributing to poor tensile...