南京工业大学电光源材料研究所---金陶材料

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陶瓷内衬复合钢管

Ceramic-lined composite steel pipes

采用燃烧合成技术领域的铝热离心法制备，是国家“ 863计划”项目成果。该技术具有国际先进水平。

They are produced by the thermit-centrifugal method of the combustion synthesis, which is an achievement of the “ 863 ” plan project. This process reaches an internationally advanced level.

陶瓷内衬复合钢管的主要特性

The major properties of ceramic-lined composite steel pipes

■ 物理性能 Physical properties

项目

Properties

材料

Material

陶瓷层厚度

Thickness of the ceramic layer

(mm)

陶瓷层密度

Density of the ceramic layer

(g/cm 3 )

线膨胀系数

Linear expansion coefficient

( × 10 -6 / o c)

陶瓷层显微硬度

Micro-hardness of the ceramic layer

HV 0.2 (kg/mm 2 )

陶瓷内衬复合钢管

Ceramic-lined steel composite pipe

≧ 2

﹥ 4

12 ～ 13

1200 ～ 1600

■ 机械强度 Mechanical Properties

压溃强度为 300 ～ 500Mpa ；压剪强度为 15 ～ 20Mpa

Squeezing strength: 300 ～ 500Mpa; Compression-shear st rength: 15 ～ 20Mpa

■ 耐机械冲击性能良好 Resistance to mechanical shock good

■ 耐热冲击性能 Resistance to thermal shock

加热至 800 o C 后水淬，陶瓷层不炸不裂

The ceramic layer does not crack or flakes off when the composite pipe receives a mechanical shock.

■ 耐磨损性能 Resistance to abrasion

具有优异的耐磨损性能，使用寿命是普通钢管的 20 倍以上

The ceramic-lined steel composite pipe has exceptional resistance to abrasion. Its service in materials transportation with hard abrasion can increase more than 20 times compared with common steel pipes.

■ 耐蚀性能 Resistance to corrosion

解决连接密封问题，可广泛用于腐蚀介质的管道输送

It can be used for tube transportation of corrosive materials, if the problem of seal at joints could be solver.

■ 易焊接 Good weld ability

■ 重量轻 Light weight

■ 安装方便 Convenient installation

可采用焊接、法兰、柔性快速接头等方式

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