您好,欢迎来到仪器设备网! [登录] [免费注册]
仪器设备网
位置:首页 > 试剂及耗材 > 金属材料
铬,微小箔, Cr, 0.25μm厚, 4N
铬,微小箔, Cr, 0.25μm厚, 4N图片
品牌:Goodfellow
纯度含量:99.99%
产地:英国


产品介绍

CONTRACT COATING of customers' own components or assemblies is available to special order.

This item is normally made to order for delivery within 4-5 weeks.

订货号包装规格
Disc
345-819-6610mm
432-350-9625mm

产品参数

Area Density[面积密度]178.7μg.cm⁻²
Diameter[直径]10mm - 25mm
Purity[纯度]99.99%
Support[载体]Permanent Mylar® 3.5μm
Thickness[厚度]0.25μm
Typical Analysis(典型分析)
Ag25 PPM
Al5 PPM
Ca8 PPM
Cu15 PPM
Fe3 PPM
Mg1 PPM
Mn1 PPM
Ni8 PPM
Pb5 PPM
Si1 PPM
Atomic Properties(原子属性)
Atomic number24
Atomic weight ( amu )51.99600
Crystal structureBody Centred Cubic
Electronic structureAr3d⁵4s¹
Ionisation potential ( No./eV )4 / 49.1
Ionisation potential ( No./eV )3 / 31.0
Ionisation potential ( No./eV )1 / 6.77
Ionisation potential ( No./eV )6 / 90.6
Ionisation potential ( No./eV )2 / 16.5
Ionisation potential ( No./eV )5 / 69.3
Natural isotope distribution ( Mass No./% )50 / 4.35
Natural isotope distribution ( Mass No./% )52 / 83.79
Natural isotope distribution ( Mass No./% )54 / 2.36
Natural isotope distribution ( Mass No./% )53 / 9.5
Photo-electric work function ( eV )4.40
Thermal neutron absorption cross-section ( Barns )3.1000
Valences shown2 , 3, 6
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard )160.2
Bulk modulus ( GPa ) ( Soft )160.2
Hardness - Vickers ( kgf mm⁻² ) ( Hard )220
Hardness - Vickers ( kgf mm⁻² ) ( Soft )130
Material conditionHard
Material conditionSoft
Poisson's ratio ( Hard )0.210
Poisson's ratio ( Soft )0.210
Tensile modulus ( GPa ) ( Hard )279.00
Tensile modulus ( GPa ) ( Soft )279.00
Tensile strength ( MPa ) ( Hard )689.00
Tensile strength ( MPa ) ( Soft )103.00
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )13.2@20℃
Temperature coefficient ( K⁻¹ )0.00214 @0-100℃
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )6.500 @0-100℃
Latent heat of evaporation ( J g⁻¹ )6580
Latent heat of fusion ( J g⁻¹ )260.00
Melting point ( C )1857.00
Specific heat ( J K⁻¹ kg⁻¹ )518.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )94.00 @0-100℃
Physical Properties(物理性质)
Boiling point ( C )2672
Density ( g cm⁻³ )7.100 @20℃

其他参数

公差

薄度±30%
用户评论
产品评分
目前评分共0人
产品质量
售后服务
易用性
性价比
产品评论
已有0条评论
可以输入500字 
暂无评论!
Goodfellow(顾特服)
电话: 点击&查看
地址: 
同品牌产品:
相关产品:
猜您感兴趣
换一批
铋,箔, Bi, 3mm厚
铋,单晶, Bi, 12mm 直径, 2mm厚, 5N
铋单晶, Bi, 12mm 直径, 2mm厚, 5N
铋,块, Bi, 10mm Max. Lump Size
铋,棒, Bi, 10mm 直径, Cast Sticks, 5N
来访登记
关闭
请留下您的联系方式,登记完成即可查看电话与供应商联系,或等候供应商联系您。
留言类型:
     
*姓名:
*电话:
*单位:
Email:
*留言内容:
请说明需求数量,型号规格以及纯度含量等要求。
*验证码: