1-20 of 67 Search Results for

solutionizing temperature

Sort by
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005962
EISBN: 978-1-62708-168-9
... through the Hall-Petch strengthening relationship ( Ref 53 , 54 ). Additionally, niobium at small concentrations decreases the austenite-to-ferrite transformation-start temperature if the solutionizing temperatures are sufficiently high ( Ref 66 ). Manganese Manganese is included in these steels...
Image
Published: 01 December 2004
Fig. 9 Alloy A-286 (AISI 660, 150 HV), solution annealed 1 h at 980 °C (1800 °F) and oil quenched. (a) View showing a coarser grain structure than in Fig. 7 and 8 due to the higher solutionizing temperature. Glyceregia. (b) Tint etched using 20 mL HCl, 100 mL H 2 O, 1 g NH 4 F·HF, and 0.5 More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005230
EISBN: 978-1-62708-187-0
... practiced for nonferrous castings Suffix Treatment and/or condition (sequence) F As-fabricated T Heat treated to stable condition, excluding annealing T1 Cooled from an elevated temperature and naturally aged T4 Solutionized, quenched, and naturally aged T5 Rapidly quenched from...
Image
Published: 01 January 1997
Fig. 27 Room-temperature yield strength vs. aging time at several temperatures for an initially solutionized and quenched Al-4.5wt%Cu alloy. Maximum strength is obtained at lower aging temperatures, but the time required to yield this strength is correspondingly greater. More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003175
EISBN: 978-1-62708-199-3
... is heated into the single-phase zone on the phase diagram but generally not above the eutectic temperature ( Fig. 6 ). To obtain the maximum advantage from solutionizing treatments, there must be as little segregation in the cast structure as possible, as heavily segregated castings contain pockets...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005215
EISBN: 978-1-62708-187-0
.... As an example, consider hypoeutectic aluminum-copper alloys. The alloy can be solutionized at a temperature below the equilibrium solvus and then quenched. The dendrite cores will appear single phase (α), and the regions above the solvus composition for the solutionizing temperature will precipitate θ-phase...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006621
EISBN: 978-1-62708-290-7
... used in the current study had an additional step in the cycle ( Fig. 6 ), at a solutionizing temperature of 1050 °C (1920 °F) and 70 MPa (10 ksi) pressure for 20 minutes which could have accelerated the densification of the LPBF parts. The addition of solutionizing temperature step at high pressures...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001413
EISBN: 978-1-62708-173-3
... modified the alloy microstructure so that additional constituents are present that adversely affect alloy ductility. It is always preferable to heat treat the casting to remove these unwanted microstructural features. This process may require solutionizing at temperatures above 1000 °C (1830 °F) and may...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005331
EISBN: 978-1-62708-187-0
... adversely affect ductility in aluminum-magnesium alloys. Chromium Chromium additions are commonly made in low concentrations to room-temperature aging and thermally unstable compositions in which germination and grain growth are known to occur. Chromium typically forms the compound CrAl 7 , which...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003813
EISBN: 978-1-62708-183-2
... homogenize the structure, but because no transformation occurs, there can be no grain refinement. The solutionizing step and rapid cooling ensure maximum resistance to corrosion. Temperatures between 1040 and 1205 °C (1900 and 2200 °F) are usually required ( Ref 1 , 2 ). Adding chromium to the lean...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006561
EISBN: 978-1-62708-290-7
... in order to achieve final properties. The solutionizing temperature is at or above the solvus temperature, the point at which any unwanted phases return into solution. Age hardening involves reheating to a moderate temperature and holding that temperature for a time ranging from 1 to 50 h depending...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001045
EISBN: 978-1-62708-161-0
... yield strength, but with a corresponding decrease in ductility. Vanadium is used in precipitation-hardening manganese steels in amounts ranging from 0.5 to 2%. Because of the stability of vanadium carbonitrides, a higher solutionizing temperature 1120 to 1175 °C (2050 to 2150 °F) is recommended prior...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002460
EISBN: 978-1-62708-194-8
.... It discusses the relevance of the properties to design. The article describes the common means for increasing low-temperature strength and presents an example that shows structure-property relationships in nickel-base superalloys for high-temperature applications. The relationships of microstructure with low...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006579
EISBN: 978-1-62708-290-7
... and manufactured; in recent years, AM has demonstrated the potential to disrupt the cost-capability curve of copper components by eliminating manufacturing tooling, numerous piece-parts, assembly, and high-temperature joining operations. Additive manufacturing permits complex assemblies to be reduced to monolithic...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006264
EISBN: 978-1-62708-169-6
... of solutionizing at temperatures close to the eutectic temperature, quenching, followed by a combination of natural and artificial aging. The enhancement in tensile properties after thermal treatment is attributed to the formation of Mg 2 Si precipitates during aging and to changes in silicon particle shape during...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006507
EISBN: 978-1-62708-207-5
.... In addition, castings can be heat treated to obtain the desired combination of strength and ductility. The heat treatment consists of solutionizing at temperatures close to the eutectic temperature, quenching, followed by a combination of natural and artificial aging. The enhancement in tensile properties...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006268
EISBN: 978-1-62708-169-6
..., equilibrium precipitates form only during annealing treatments (O temper) at, say, >300 °C (570 °F) or during slow quenches from the solutionizing temperature. The distribution of precipitates within an alloy specimen may show pronounced deviations from uniformity. Composition fluctuations translate...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006132
EISBN: 978-1-62708-175-7
... mechanical properties in the sintered product. Favorable economics stem from the fact that solutionization is included as an integral element of the sintering cycle, avoiding the need for a separate secondary reheating operation with the associated increase in capital costs. At the peak sintering temperature...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006263
EISBN: 978-1-62708-169-6
... on the alloy type. There are α, near-α, α-β, and β alloys. These designations are derived through their chemistries, which define the quantity of equilibrium phases present at room temperature. The α alloys predominantly contain the α phase at room temperature. These include such alloys as the commercial...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002462
EISBN: 978-1-62708-194-8
... in their equilibrium condition, equilibrium phase diagrams are an essential tool in understanding effects of composition and both solidification and solid-state thermal processing on microstructure. For aluminum alloys, phase diagrams are used to determine solidification and melting temperatures, the solidification...