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: 4326461 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
铱,粉末, Ir, 850μm最大粒度
铱,粉末, Ir, 850μm最大粒度图片
品牌: Goodfellow
纯度含量: 99.995%
产地: 英国
索取资料及报价
品牌: Goodfellow
纯度含量: 99.995%
产地: 英国
半岛bd体育手机客户端 介绍
订货号 包装规格
Weight
741-167-28 1g

半岛bd体育手机客户端 参数

High Purity[纯度] 99.995%
Maximum Particle Size[最大粒度] 850μm
Weight[重量] 1g - 2g
Typical Analysis(典型分析)
Ba 5 PPM
Ca <1 PPM
Cr <1 PPM
Mg <1 PPM
Pt <1 PPM
Atomic Properties(原子属性)
Atomic number 77
Atomic weight ( amu ) 192.22000
Crystal structure Face Centred Cubic
Electronic structure Xe4f??5d?6s?
Natural isotope distribution ( Mass No./% ) 191 / 37.3
Natural isotope distribution ( Mass No./% ) 193 / 62.7
Photo-electric work function ( eV ) 4.60
Thermal neutron absorption cross-section ( Barns ) 425.0000
Valences shown 3 , 4
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 6.800 @0-100℃
Latent heat of evaporation ( J g?? ) 3186
Latent heat of fusion ( J g?? ) 135.00
Melting point ( C ) 2410.00
Specific heat ( J K?? kg?? ) 133.0 @25℃
Thermal conductivity ( W m?? K?? ) 147.00 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard ) 371.0
Bulk modulus ( GPa ) ( Soft ) 371.0
Hardness - Vickers ( kgf mm?? ) ( Hard ) 650
Hardness - Vickers ( kgf mm?? ) ( Soft ) 200 - 300
Material condition Soft
Material condition Hard
Poisson's ratio ( Hard ) 0.260
Poisson's ratio ( Soft ) 0.260
Tensile modulus ( GPa ) ( Hard ) 528.00
Tensile modulus ( GPa ) ( Soft ) 528.00
Tensile strength ( MPa ) ( Hard ) 1200.00
Tensile strength ( MPa ) ( Soft ) 550.00 - 1100.00
Physical Properties(物理性质)
Boiling point ( C ) 4130
Density ( g cm?? ) 22.400 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 5.1@20℃
Superconductivity critical temperature ( K ) 0.1100
Temperature coefficient ( K?? ) 0.00450 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) 0.65
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