试剂 半岛游戏平台官网入口网址 设备 原料
金牌会员第 2
访问量: 4331129 网址:goodfellow.cnreagent.com 在线留言
半岛bd体育手机客户端 搜索
材料 >> 金属材料
铌,粉末, Nb, 74μm最大粒度
铌,粉末, Nb, 74μm最大粒度图片
品牌: Goodfellow
纯度含量: 99.85%
产地: 英国
索取资料及报价
品牌: Goodfellow
纯度含量: 99.85%
产地: 英国
半岛bd体育手机客户端 介绍
订货号 包装规格
Weight
604-762-27 20g
548-472-55 50g
595-280-43 100g
410-057-18 200g
755-506-32 300g
172-083-15 400g
817-739-05 500g
342-234-53 1000g
210-541-50 2000g
303-529-34 5000g

半岛bd体育手机客户端 参数

Maximum Particle Size[最大粒度] 74μm
Purity[纯度] 99.85%
Weight[重量] 20g - 5000g
Typical Analysis(典型分析)
B <10 PPM
C 150 PPM
Ca 10 PPM
Co 10 PPM
Cu 50 PPM
Fe 100 PPM
H 100 PPM
Mg 10 PPM
Mn 10 PPM
Mo 10 PPM
N 150 PPM
Ni 10 PPM
O 3000 PPM
Si 50 PPM
Sn 10 PPM
Ta 700 PPM
Ti 10 PPM
W 100 PPM
Zr 10 PPM
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard ) 170.3
Bulk modulus ( GPa ) ( Soft ) 170.3
Hardness - Vickers ( kgf mm?? ) ( Hard ) 160
Hardness - Vickers ( kgf mm?? ) ( Soft ) 115
Izod toughness ( J m?? ) ( Soft ) 10 - 120
Material condition Hard
Material condition Soft
Poisson's ratio ( Hard ) 0.397
Poisson's ratio ( Soft ) 0.397
Tensile modulus ( GPa ) ( Hard ) 104.90
Tensile modulus ( GPa ) ( Soft ) 104.90
Tensile strength ( MPa ) ( Hard ) 585.00
Tensile strength ( MPa ) ( Soft ) 330.00
Yield strength ( MPa ) ( Hard ) 550.0
Yield strength ( MPa ) ( Soft ) 240.0
Atomic Properties(原子属性)
Atomic number 41
Atomic weight ( amu ) 92.90640
Crystal structure Body Centred Cubic
Electronic structure Kr4d?5s?
Ionisation potential ( No./eV ) 3 / 25.0
Ionisation potential ( No./eV ) 2 / 14.3
Ionisation potential ( No./eV ) 6 / 103
Ionisation potential ( No./eV ) 1 / 6.88
Ionisation potential ( No./eV ) 4 / 38.3
Ionisation potential ( No./eV ) 5 / 50.5
Photo-electric work function ( eV ) 4.30
Thermal neutron absorption cross-section ( Barns ) 1.1500
Valences shown 2 , 3, 4, 5
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 7.200 @0-100℃
Latent heat of evaporation ( J g?? ) 7360
Latent heat of fusion ( J g?? ) 290.00
Melting point ( C ) 2468.00
Specific heat ( J K?? kg?? ) 268.0 @25℃
Thermal conductivity ( W m?? K?? ) 53.70 @0-100℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 16@20℃
Superconductivity critical temperature ( K ) 9.2500
Temperature coefficient ( K?? ) 0.00260 @0-100℃
Physical Properties(物理性质)
Boiling point ( C ) 4742
Density ( g cm?? ) 8.570 @20℃

易燃

与火焰接触后点燃的化学品,或与水接触后逸出高度易燃气体的化学品。

相关半岛bd体育手机客户端
我要咨询 关闭
  • 姓名*
  • 电话*
  • 单位*
  • email
  • 留言内容*
  • 验证码*
  • 让更多商家关注
  • Baidu
    map