1007—1014.
[13]JALDERMAN,PKJOB,JPUHL.Measurementofm-
diation?induceddemagnetization
of
NdFeB
permanent
magnets[J].Nuel
InstrMethA,2002,481:9-28.
[14]Y
ITO,KYASUDA,eta1.Magneticfluxloss
in船
earthmagnetsirradiatedwith200MeVprotons[J].Nu-
ellnstr
andMethB,2001,183:323—328.
D
BROWN,EDBUSH,WTHUNTER.Radiation
effectsofSamraium—Cobaltpermanent
magnets[R].
LA-9437-MS。1982.
[16]JRCOST,RDBROWN。Sm.Copermanentmagnets:
effectsoffast
neutron
irradiation[J].MetallTram
A,
1990,21:1817—1821.
RCOST,RD
BROWN,ALGIORGI,et
a1.Effects
of
neutron
irradiation
on
Nd.-Fe..Bmagnetic
properties
[J].IEEETramMag,1988,24(3):2016—2019.[18]R
D
BROWN,JRCOST.Radiation.inducedchanges
in
magnetic
propertiesofNd-?Fe??Bpermanentmagnets
[J].1EEETramMag,1989,25(4):3117—3120.
(下转第273页)
[15]R
[17]J
第2期杜晋峰,等:多次多向等温变形对球墨铸铁石墨形态的影响?273?进行剪切.在一次变形过程中一部分石墨球优先Z004.
延展为石墨片,当再沿其它方向变形时这部分石[3]APPSPJ,BOWENJR,PRANGNELLPB.Theeffect墨片被剪切分裂,而另一部分中的一些石墨球延ofc03xsesecond—phaseparticlesontherateofgrain肥-展为石墨片.随着变形方向的改变及变形次数的finementduringseveredeformationprocessing[J].Acta增加,石墨球逐渐延展为石墨片再进一步分裂为,.Materialia,2003,51(10):2811—2822.
[4]HUMPHREYSF
细小的石墨颗粒.J,HATHERLYM,PERGAMON.Re.
crystallizitionandrelatedannealingphenomenon[J].
4结论MaterialsScienceandEngineering:A,1997,224(1—
2):221—222.
1)高温单向压缩变形时,球状石墨变形为石[5]HUMPHREYSFJ.I.ocallatticerotationsatsecond墨片,实现了从球状到薄片状的形态转变.单向压phaseparticlesindeformedmetals[J].ActaMetallur-缩变形后,石墨片近似平行排列,说明石墨球在sica,1979,27(12):1801—1814.变形过程中沿一定的滑移面延展.[6]SHIJ,SAVASMA,SMITHRW.Plasticdeformation
2)高温多次多向压缩变形时,球状石墨经历ofamodelmaterialcontainingsoftspheroidalinclu—了由球状到片状再到细小颗粒并逐步细化的过sions:spheroidalgraphitecastiron[J].JournalofMate-
rials
程.多次多向压缩变形后,细小的石墨颗粒在多个ProcessingTechnology,2003,133:297—303.
[7]冯小明,张田成.亚共晶白口铸铁的热塑性变形的实
方向近似平行排列,说明石墨在变形过程中是被验研究[J].陕西工学院学报,1995,11(2):24—沿不同的滑移面剪切的.29.
参考文献:[8]X.ZHAO,T.F.JING,Y.W.GAO,etc.AnewSPD
processforspheroidalcastiron[J].MaterialsLetters,
[1]IWAHASHIY,HORlTAZ,NEMOTOM,eta1.The2004,58:2335—2339.
processofgrainrefinementinequal—channel明gul81"[9]高聿为,王威,荆天辅,等.热压变形对灰口铸铁石墨pressing[J].ActaMaterials,1998,46(9):3317—形态的影响[J].材料热处理学报,2004,25(4):493331.—52.
[2]边丽萍.轻金属超细/纳米晶块体材料的制备与合成(编辑张积宾)
[D].太原:太原理工大学材料科学与工程学院,
(上接第270页)tionofundulatormagnetsirradiatedIligllenergyelectrons[19]RDBROWN,JRCOST,GPMRISMER,eta1.Neu.[J].NuclInstrandMethA2001,467—468:185—189.
tronirradiationstudyofNd??Fe?-Bpermanentmagnets[23]KBOOCKMANN,MLIEHR,WRODEWALD,etea1.madefrommelt—spunribbons[J].JApplPhys,Effectof-w--radiation0nSm—Co—andNd?Oy-Fe?B一Ⅱ咀g.1988,64(10):5305—5307.nets[J].JMa伊MagnMater,1991,101:345-346.[20]JALLENS,SANDERSON,JSPENCER,eta1.Radi.[24]HBLUNA,XKMARUYAMA,NJCOLELLA,eta1.
ationdamagestudieswithhadronsonmaterialsande-BremssWahangradiationeffectsinral38earthpermanentlectronics[C].ProceedingsofEPAC2004,Lucerne,magnetsEJ].NuclInstrMethA,1989,285:349—354.Switzerland,1795—1797.[25]NMDEMPSEY,MGHIDINI,JPNOZIERES,eta1.[21]TIKEDA,SOKUDA.Magneticfluxlossoftheperma-MagnetichardeningofSm2Fel7N3byradiationdamage
nentmagnetsusedforthewigglersofFELsbytheirra—[J].PhyRevLett,1998,81(25):5652—5655.diationwithhishenergyelectronsorX-rays[J].Nucl(编辑张积宾)InstrandMethA,1998,407:439-442.
[22]TBIZEN,TTANAKA,YASANO,et耐.Demagnetiza-
万 方数据
稀土永磁材料辐照效应研究进展
作者:
作者单位:高润生, 杨丽, 王雪航, 甄良, 邵文柱, GAO Run-sheng, YANG Li, WANG Xue-hang, ZHEN Liang, SHAO Wen-zhu高润生,杨丽,甄良,邵文柱,GAO Run-sheng,YANG Li,ZHEN Liang,SHAO Wen-zhu(哈尔滨工业
大学,材料科学与工程学院,哈尔滨,150001), 王雪航,WANG Xue-hang(黑龙江省卫生监督所
,放射卫生监督科,哈尔滨,150001)
材料科学与工艺
MATERIALS SCIENCE AND TECHNOLOGY
2008,16(2)
1次刊名:英文刊名:年,卷(期):被引用次数:
参考文献(25条)
1.M PETRA;P K HARTOG;E R MOOG Radiation effects studies at the advanced photon source 2002
2.C H CHEN;J TALNAGI;J LIU The effect of neutron irradiation on NdFeB and Sm2Co17-based
hightemperature magnets[外文期刊] 2005(10)
3.P V VAERENBERGH;J CHAVANNE;P ELLEAUME Aging of permanent magnet devices at the ESRF 1999
4.G GROSS;J SPENCER Experience with the SIC permanent magnet multipoles[SLAC-PUB-6558] 1994
5.朱丹阳;高润生;甄良 Fe-Cr-Co 永磁合金的磁性能稳定性[期刊论文]-材料科学与工艺 2004(02)
6.R S Gao;L ZHEN;W Z SHAO Effect of γ-Ray Irradiation on Magnetic Properties of NdFeB and Fe-Cr-CoPermanent Magnet[外文期刊] 2006(1)
7.杨仕清;张万里;龚捷 稀土永磁体的γ辐照效应研究[期刊论文]-功能材料 2000(03)
8.F CONINCKX;W NAEGELE;M REINHARZ Radiation effects on rare-earth cobalt permanent magnets[CERN/SPSTIS-RP/IR/83-07] 1983
9.E W BLACKMORE Radiation effects of protons on Samarium-Cobalt permanent magnets 1985(05)
10.O P KAHKONEN;E KAUTTO;M MANNINEN Effects of high temperature irradiation on SmCo permanentmagnets[外文期刊] 1992(05)
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