Tel: +86-510-87330163

E-mail: hshightech@outlook.com

Silicon Nitride Degassing Shaft

Silicon Nitride Degassing Shaft Introduction To remove H2 gas from molten aluminum, a silicon nitride/si3n4 pipe is used to feed the N2 or Ar gas. As silicon nitride rotor is used to stir and disperse the gas throughout the molten bath. Charcteristics of silicon nitride riser tube Main Features...

Send InquiryChat Now
Product Details

Silicon Nitride Degassing Shaft Introduction

To remove H2 gas from molten aluminum, a silicon nitride/si3n4 pipe is used to feed the N2 or Ar gas. As silicon nitride rotor is used to stir and disperse the gas throughout the molten bath.

Charcteristics of silicon nitride riser tube 

Item

Material

Unit

Silicon Nitride

Bulk Density

g/cm3

3.2

Water Absorption

%

0

Flexural Strength

MPa

750

Young's Modulus of Elasticity

Gpa

280

Fracture Toughness

MPa・m1/2

6.5

Poisson's Ratio

0.28

Vickers Hardness

Gpa

13

Coefficient of Linear Thermal Expansion

×10-6/℃

3.4

Thermal Conductivity

W/(m・k)

30

Specific Heat

J/(g・k)

0.65

Volume Resistivity

Ω・cm

>1014

Heart Shock Resistance

800

Maximum Available Tempereture

1200

Main Features of Heat Resistant Silicon Nitride Ceramic Shaft And Rotor

1.Corrosion resistance
Outstanding corrosion resistance to molten aluminum alloys and flux contamination free.
2.Oxidation resistance
Oxidation rarely accurs at operating temperature(up to 800 C), which allows hi-cera to maintain stable performance for a long service life.
3.Thermal shock resistance
Superior thermal shock resistance allows hi-cera protection tubes to be inserted in molten aluminum directly with simple preheating.
4.Mechanical strength
The highest strength among ceramics allows a thin wall thickness.
5.Wear resistance
Excellent wear resistance gives degassing rotor shafts a long service life at a high speed revolution.
6.Acid ressitance
Exceptional acid resistance against acids such as hydrochloric acid and sulfuric acid permits removal of sticking matter on the surface with such acids.

Packaging & Shipping

1.polywood case with inner foam

2.polywood case with outter pallet

3.customized package

image002.jpg


Hot Tags: silicon nitride degassing shaft, China, manufacturers, suppliers, factory, price
Related Products
Inquiry