The aging precipitation behavior of 20Cr

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Yansen Hao's research works Northeastern University

The aging precipitation behavior of 20Cr-24Ni-6Mo super-austenitic stainless steel processed by conventional casting and twin-roll strip casting Article Oct 2018Yansen Hao's research works Northeastern University The aging precipitation behavior of 20Cr-24Ni-6Mo super-austenitic stainless steel processed by conventional casting and twin-roll strip casting Article Oct 2018The aging precipitation behavior of 20Cr-24Ni-6Mo super Jan 01,2019 The aging precipitation behavior of 20Cr#0183;The aging precipitation behavior of 20Cr-24Ni-6Mo super-austenitic stainless steel processed by conventional casting and twin-roll strip casting.Author links open overlay panel Yansen Hao Guangming Cao Chenggang Li Jian Li Wanchun Liu Weina Zhang Zhenyu Liu.Show more.

Some results are removed in response to a notice of local law requirement.For more information,please see here.Secondary M6C Precipitation in Ni-20Cr-18W-1Mo - CORE

The carbide precipitation behavior in Ni-20Cr-18W-1Mo superalloy solution treated at 1280 oC and then aged at 800 and 1000 oC has been investigated using SEM,EDS and TEM in the present work.QUENCH RATE EFFECTS ON THE NATURAL AGINGThe effect of quench rate on the natural aging behavior was examined using microhardness,conductivity and the differential scanning calorimeter.The data indicated that GPZ formed during extended natural aging of 7075,while extended aging of 7050 resulted in the precipitation of .

Previous123456NextAging Response and Precipitation Behavior after 5% Pre

3.1.Age-Hardening Behavior.The changes in hardness during artificial aging at 180 The aging precipitation behavior of 20Cr#176;C for the samples are displayed in Figure 1.Figure 1 a shows that the natural aging has a significant negative effect on the age-hardening response in the samples without pre-deformation.The WQ-NA sample is 13 HV higher than the WQ sample in hardness before artificial aging,which is a result of the Precipitation of M23C6 and its effect on tensile Aug 05,2015 The aging precipitation behavior of 20Cr#0183;The precipitation behavior of M 23 C 6 carbides and its influence on the tensile properties were investigated in a novel 0.3C20Cr11Mn1Mo0.35N austenitic stainless steel isothermally aged at 900 The aging precipitation behavior of 20Cr#176;C.It was found that typical M 23 C 6 carbides retaining a cube-on-cube crystallographic relation with austenite matrix precipitated on grain boundaries,twin boundaries andPrecipitation behavior of type 347H heat-resistant precipitation behavior during long-term aging,the samples were isothermally aged at 700 The aging precipitation behavior of 20Cr#176;C for 1 2200 h then quenched in water.Compression experiments were con-ducted by using a Gleeble-3500 thermal mechanical simu-lator (DSI Company,St.Paul,Minnesota) at 1100 The aging precipitation behavior of 20Cr#176;C and

Precipitation behavior of type 347H heat-resistant

precipitation behavior during long-term aging,the samples were isothermally aged at 700 The aging precipitation behavior of 20Cr#176;C for 1 2200 h then quenched in water.Compression experiments were con-ducted by using a Gleeble-3500 thermal mechanical simu-lator (DSI Company,St.Paul,Minnesota) at 1100 The aging precipitation behavior of 20Cr#176;C andPrecipitation and hot deformation behavior of austenitic Dec 01,2017 The aging precipitation behavior of 20Cr#0183;Here,a summary of recent progress in the precipitation behavior and the coarsening mechanism of various precipitates during aging in austenitic steels is made.Various secondary phases are formed under service conditions,like MX carbonitrides,M 23 CPrecipitation Behavior of the Topologically Close-Packed Abstract.The precipitation behaviors of the topologically close-packed (TCP) phases in the bicrystal DD5 superalloy have been investigated.The results showed that the [001] crystallographic orientations are consistent with that of adjacent grains; however,the direction of the needle-like TCP phases is not consistent with that of the phase channels.

Precipitate Phases and Mechanical Properties of Heat

The precipitation behavior during heat treatment and resulting mechanical properties of ASTM F 90 Co-20Cr-15W-10Ni (mass%) alloys were investigated with regards to their biomedical applications.Heat treatment was conducted at temperatures of 873 to 1623 K,for a holding time of 259.2 ks.The precipitates produced were then electrolytically extracted from the alloys and analyzed by X-ray Precipitate Behavior in Fe20Cr30Ni2Nb Austenitic Heat Jan 20,2015 The aging precipitation behavior of 20Cr#0183;Abstract.In this study,the precipitation behavior of a new austenitic heat-resistant steel (Fe20Cr30Ni2Nb,in at%) was investigated.The effects of alloying addition of boron (B) and lanthanum (La) on the microstructure of the austenitic steel wereMicrostructure Evolution of a Nickel-Base Alloy Resistant The aging temperatures were 1073,1123 and 11731023,K and aging times of up to 4000,2000,3000 and 1000 h,respectively.Aging heat treatment was made using resistive furnaces in air atmosphere,and then each sample was cooled in air.The samples were ground with silicon carbide papers from 80 to 2000 grit.Polishing

Jian Li's research works Northeastern University

Jian Li's 6 research works with 13 citations and 197 reads,including Size effects of Y-enriched intermetallic precipitates in Fe-20Cr-5Al-0.25Y alloy on the spallation resistance of thermally Hot Deformation Behavior of NiCr19Co6W10Ti3AlBJul 06,2017 The aging precipitation behavior of 20Cr#0183;Yin-ben HAN,Xiang-yi XUE,Tie-bang ZHANG,Rui HU,Jin-shan LI.Effects of hot compression on carbide precipitation behavior of Ni 20Cr 18 W 1Mo superalloy,J.Nonferrous Met.Soc.China,26 (2016) 28832891.Google ScholarHot Deformation Behavior of NiCr19Co6W10Ti3AlBJul 06,2017 The aging precipitation behavior of 20Cr#0183;Yin-ben HAN,Xiang-yi XUE,Tie-bang ZHANG,Rui HU,Jin-shan LI.Effects of hot compression on carbide precipitation behavior of Ni 20Cr 18 W 1Mo superalloy,J.Nonferrous Met.Soc.China,26 (2016) 28832891.Google Scholar

Effects of external stress aging on morphology and

precipitation behavior and the morphology of the meta-stable and stable precipitation phase [3].As a typical type of age-hardenable aluminum alloy,2xxx series AlCu alloy presents one of the most famous examples with the aging precipitation sequence (supersaturate solid solutionG.P.zone phase' phase phase) [4,5].Effects of external stress aging on morphology and precipitation behavior and the morphology of the meta-stable and stable precipitation phase [3].As a typical type of age-hardenable aluminum alloy,2xxx series AlCu alloy presents one of the most famous examples with the aging precipitation sequence (supersaturate solid solutionG.P.zone phase' phase phase) [4,5].Effects of Pre-Strain on the Aging Behavior of Al 7075 The peak aging time and precipitation behavior were compared with the alloy with pre-straining at room temperature after quenching but immediately before the articial aging.The results showed that increasing amounts of pre-strain tend to reduce the aging time up to 50% for

Effects of High-Temperature Aging on Precipitation and

The effects of short-term aging on the precipitation and corrosion behavior of a Ni-Cr-Mo-based superalloy Hastelloy C276 were studied in this work.Aging treatments were performed at 800 The aging precipitation behavior of 20Cr#176;C for 1 h,2 h,4 h,8 h,12 h and 15 h.It is found that M6C carbide,which is rich in Mo and W,is prone to precipitate at grain boundary when the aging time exceeds 4 h,associated with the formation of Effect of prestraining and natural aging on precipitation Abstract The influences of natural aging and prestraining on the agehardening response of AA6022 (Al0.6Mg1.0Si) has been investigated in this study.The precipitation behaviors of samples of thEffect of prestraining and natural aging on precipitation Abstract The influences of natural aging and prestraining on the agehardening response of AA6022 (Al0.6Mg1.0Si) has been investigated in this study.The precipitation behaviors of samples of th

Effect of Cold Work on Creep Rupture Strength of Alloy263

W.Wen-juan,H.Guang-wei,Influence of Aging on Treatment on Precipitation Behavior of Phase in Ni-Co-Cr Alloy,D.Bo,Journal of Iron and Steel Research,INTERNATIONAL 17 (2010) 64-69.[14] Danflou H.L,Marty M,Walder A.Formations of Serrated Grain Boundaries and Their Effect on the Mechanical Properties in a P/M Nickel Base Superalloy Effect of Aging Treatment on Precipitation Behavior and However,aging at more than 165 The aging precipitation behavior of 20Cr#176;C caused an obvious size growth of T 1 plates,leading to the quick reduction in plasticity and toughness.Furthermore,the high Cu/Li ratio resulted in distinct precipitation features,including a shorter incubation time of T 1 phase and the aggravated precipitate-free zones.Effect of Aging Treatment on Precipitation Behavior and However,aging at more than 165 The aging precipitation behavior of 20Cr#176;C caused an obvious size growth of T 1 plates,leading to the quick reduction in plasticity and toughness.Furthermore,the high Cu/Li ratio resulted in distinct precipitation features,including a shorter incubation time of T 1 phase and the aggravated precipitate-free zones.

Effect of Aging Temperature on the Microstructure,Local

In this paper,the effect of aging temperature on the microstructure,local mechanical properties and wear behavior of a UNS S32750 super duplex stainless steel is investigated.A massive preferential precipitation of phase and Cr2N is detected at the periphery of ferrite with an increase in their extent as aging temperature increases.Cited by 3Publish Year 2019Author Yansen Hao,Guangming Cao,Chenggang Li,Jian Li,Wanchun Liu,Weina Zhang,Zhenyu Liu(PDF) Precipitate Behavior in Fe20Cr30Ni2Nb Austenitic In this study,the precipitation behavior of a new austenitic heat-resistant steel (Fe20Cr30Ni2Nb,in at%) was investigated.The effects of alloying addition of boron (B) and lanthanum Cited by 1Publish Year 2015Author Hiroki Ishikawa,Hiroki Ishikawa,Chi Zhang,Sheng-Wei Chen,Zhi-Gang YangPrecipitate Behavior in Fe20Cr30Ni2Nb AusteniticPrecipitate Behavior in Fe20Cr30Ni2Nb Austenitic the precipitation behavior of a new austenitic heat-resistant steel (Fe20Cr30Ni2Nb,in at%) the alloy without aging

Cited by 1Publish Year 2006Author Jing Guo Lei,Ping Liu,Bao Hong Tian,Xiao Zhi,Xiao Tian Jing20th Century Reanalysis NOAA Physical Sciences Laboratory

About.Using a state-of-the-art data assimilation system and surface pressure observations,the NOAA-CIRES-DOE Twentieth Century Reanalysis (20CR) project has generated a four-dimensional global atmospheric dataset of weather spanning 1836 to 2015 to place current atmospheric circulation patterns into a historical perspective..20th Century Reanalysis and PSLAtom-probe study of Cu and NiAl nanoscaleture and mechanical behavior of the alumina-forming austeniticstainlesssteelFe20Cr30Ni2Nb5Al.Mater SciEngA.2015;627:270276.[4] DouY,LiuY,LiuF,etal.Microstructuresandmechan-icalpropertiesofaCu-bearingODSsteelfabricatedby mechanical alloying and hot extrusion.J Nucl Mater.2013;434:129132.Aging Precipitation Behavior of Cu-Ag-Cr Alloy The Cu-Ag-Cr alloy is a kind of aging hardening copper alloy and has excellent combination properties of high strength and good electrical and thermal conductivity.In the present investigation,the aging precipitation behavior of Cu-Ag-Cr alloy is studied,and the effects of aging processes on the microstructure and properties are discussed.

Aging Precipitation Behavior of Cu-Ag-Cr Alloy

The Cu-Ag-Cr alloy is a kind of aging hardening copper alloy and has excellent combination properties of high strength and good electrical and thermal conductivity.In the present investigation,the aging precipitation behavior of Cu-Ag-Cr alloy is studied,and the effects of aging processes on the microstructure and properties are discussed.Aging Behavior and Precipitation Analysis of Cu-Ni-Co-SiCu-Ni-Si alloy with a different Co content was prepared by inductive melting and hot rolling.The alloy was solution treated at 950 The aging precipitation behavior of 20Cr#176;C for 1.5 h and aged at 450 The aging precipitation behavior of 20Cr#176;C,500 The aging precipitation behavior of 20Cr#176;C,and 550 The aging precipitation behavior of 20Cr#176;C for different times.The phase diagram calculation and transmission electron microscopy was used to investigate the effect of Co addition on the aging precipitation behavior of the Cu-Ni-Si alloy.AGING BEHAVIOUR OF LASER PROCESSED INCONEL 718450 The aging precipitation behavior of 20Cr#176;C to 600 The aging precipitation behavior of 20Cr#176;C in 20Cr-25Ni steel,sanicro 71 and Inconel 690 with the composition of 0.024,0.40 and 0.038% respectively.Nath et al.have conducted a study to find out the aging effects on different nickel based alloys such as Nimonic 80A,a wrought nickel based precipitation hardened superalloy used in

A Technical Review of Precipitation Hardening Stainless

hotter environments.The precipitation reaction is markedly slower in these alloys,as can be seen in Figure 3,page 16.The thermal treatment used for precipitation-hardening spring steels not only provides a significant Figure 2 Properties of 17-7PH vs.aging temperature [2].SPRINGS January 2006 1520th Century Reanalysis NOAA Physical Sciences LaboratoryAbout.Using a state-of-the-art data assimilation system and surface pressure observations,the NOAA-CIRES-DOE Twentieth Century Reanalysis (20CR) project has generated a four-dimensional global atmospheric dataset of weather spanning 1836 to 2015 to place current atmospheric circulation patterns into a historical perspective..20th Century Reanalysis and PSL12345NextPrecipitate Behavior in Fe20Cr30Ni2Nb Austenitic Heat Jan 20,2015 The aging precipitation behavior of 20Cr#0183;Abstract.In this study,the precipitation behavior of a new austenitic heat-resistant steel (Fe20Cr30Ni2Nb,in at%) was investigated.The effects of alloying addition of boron (B) and lanthanum (La) on the microstructure of the austenitic steel were

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