功能材料
功能材料
공능재료
JOURNAL OF FUNCTIONAL MATERIALS
2015年
4期
4102-4106
,共5页
罗文涛%寇生中%赵燕春%李春燕%孙为民%高记鹏
囉文濤%寇生中%趙燕春%李春燕%孫為民%高記鵬
라문도%구생중%조연춘%리춘연%손위민%고기붕
非晶合金复合材料%Ta 含量%磁性能%力学性能
非晶閤金複閤材料%Ta 含量%磁性能%力學性能
비정합금복합재료%Ta 함량%자성능%역학성능
amorphous alloy composites%Ta content%magnetic property%mechanical property
利用铜模吸铸法制备出直径为3mm的(Fe0.46Co0.36Ni0.04Zr0.14)100-xTax(x=0,4,8,12)非晶合金复合材料柱状试样,通过X射线衍射(XRD)、选区电子衍射(SAED)、振动样品磁强计(VSM)、微机控制电子式万能力学试验机和扫描电镜(SEM)研究了不同Ta含量对合金的磁性能和压缩力学性能的影响.结果表明,随着Ta含量的增加,合金中不断有晶体相Co2Zr、Co2Ta0.5Zr0.5析出,合金的矫顽力Hc呈现出减小的趋势,而合金的饱和磁化强度Ms、抗压强度σbc和弹性应变εe则呈现出先增加后减小的趋势.当x=4时,合金的Ms、σbc和εe均达到最大值,分别为137.70A·m2/kg、1814MPa和4.583%.说明选取合适的Ta含量能够明显改善(Fe0.46Co0.36Ni0.04Zr0.14)100-xTax非晶合金复合材料的磁性能和力学性能.
利用銅模吸鑄法製備齣直徑為3mm的(Fe0.46Co0.36Ni0.04Zr0.14)100-xTax(x=0,4,8,12)非晶閤金複閤材料柱狀試樣,通過X射線衍射(XRD)、選區電子衍射(SAED)、振動樣品磁彊計(VSM)、微機控製電子式萬能力學試驗機和掃描電鏡(SEM)研究瞭不同Ta含量對閤金的磁性能和壓縮力學性能的影響.結果錶明,隨著Ta含量的增加,閤金中不斷有晶體相Co2Zr、Co2Ta0.5Zr0.5析齣,閤金的矯頑力Hc呈現齣減小的趨勢,而閤金的飽和磁化彊度Ms、抗壓彊度σbc和彈性應變εe則呈現齣先增加後減小的趨勢.噹x=4時,閤金的Ms、σbc和εe均達到最大值,分彆為137.70A·m2/kg、1814MPa和4.583%.說明選取閤適的Ta含量能夠明顯改善(Fe0.46Co0.36Ni0.04Zr0.14)100-xTax非晶閤金複閤材料的磁性能和力學性能.
이용동모흡주법제비출직경위3mm적(Fe0.46Co0.36Ni0.04Zr0.14)100-xTax(x=0,4,8,12)비정합금복합재료주상시양,통과X사선연사(XRD)、선구전자연사(SAED)、진동양품자강계(VSM)、미궤공제전자식만능역학시험궤화소묘전경(SEM)연구료불동Ta함량대합금적자성능화압축역학성능적영향.결과표명,수착Ta함량적증가,합금중불단유정체상Co2Zr、Co2Ta0.5Zr0.5석출,합금적교완력Hc정현출감소적추세,이합금적포화자화강도Ms、항압강도σbc화탄성응변εe칙정현출선증가후감소적추세.당x=4시,합금적Ms、σbc화εe균체도최대치,분별위137.70A·m2/kg、1814MPa화4.583%.설명선취합괄적Ta함량능구명현개선(Fe0.46Co0.36Ni0.04Zr0.14)100-xTax비정합금복합재료적자성능화역학성능.
(Fe0. 46Co0. 36Ni0. 04Zr0. 14)100-xTax(x=0, 4, 8, 12 )amorphous alloy composites rods were prepared by copper mold suction casting.Influences of Ta addition on magnetic properties and mechanical properties of (Fe0.46 Co0.3 6 Ni0.04 Zr0.1 4 )1 00-x Tax amorphous alloy composites were investigated by the means of X-ray diffraction (XRD),selected area electron diffraction(SAED),vibrating sample magnetometer(VSM),the compute con-trolled electronic mechanical testing system and scanning electron microscope (SEM).The results show that some crystal phase Co2 Zr,Co2 Ta0.5 Zr0.5 were separated constantly out with the increase of Ta content,coercivity H c was decreasing and saturation magnetization M s ,compressive strengthσbc ,elastic strainεe were increasing firstly,then decreasing with the increase of Ta content.M s ,σbc,εe reached the maximum value which are 137.70 A·m2/kg,1 814 MPa and 4.583% when x =4.It shows that the suitable Ta content can obviously improve the magnetic and mechanical properties of (Fe0.46 Co0.3 6 Ni0.04 Zr0.1 4 )1 00-x Tax amorphous alloy.