Molybdenum hot zone and heating radiation shields

Molybdenum hot zone and heating shields and working racks is best choice for LED Sapphire melting growing furnace application.

Molybdenum hot zone and heating radiation shields and working racks is best choice for LED Sapphire melting growing furnace application to meet your above 1600degreeC temperature requirements. 

Molybdenum radiation shields for high temperature vacuum furnace with high purity and uniform density property for your demand

 

We can produce many varieties types of tungsten and molybdenum hot zone and heating radiation shields for single crystal such as LED Sapphire growing process as a high temperature durability container in this application with its best properties.

      W crucibles       Mo crucibles       Customized crucibles         Lids        Dies      Heating shields and hot zone

 

1. Physical and chemical properties

(1) Density: 10.2(2) Surface roughness: < 1.6

(3) Purity:Mo99.97%(min.)

(4) Application temperature environment:1500~1800

 

2. Specifications:

1)Dimensions and tolerances Unit:mm

Produce by single-layer molybdenum sheet			Produce and Assembly by multi-layer molybdenum sheet
molybdenum sheet thickness	Max hot zone cylinder diameter	Max cylinder height
0.3±0.03	700±1	660±0.5	Produce and assembly the hot zone according to customers’ requirements
0.5±0.04	700±1	660±0.5
0.6±0.05	700±1	660±0.5
1.0±0.08	600±1	660±1
1.5±0.1	500±2	660±1
2.0±0.1	450±2	660±1

Special sizes can be manufactured based on customers' requirements

 

Item	Process	Equipment	Quality check point
1	Powder mixed and purified	Mixer and Purified furnace	GDMS Powder grain size properties
2	Pressed & machined blank	Isostatic pressing machine	Measurement of rough-processed
3	sintering	High temperature vacuum sintering furnace	Dimension measurements for product
4	Hot rolling	Hot rolling machine	Measurements (thickness , width)
5	Annealing	Anneal furnace	Side crack, stratification for top
6	Check		Dimension Flatness and density
7	Warm rolling	High speed rolling machine	Dimension Flatness and density
8	Annealing	Annealing furnace
9	Check		Dimension Flatness and density
10	Cold rolling	High speed rolling machine
11	cutting	Hydraulic cutting machine	Dimension Measurements
12	annealing	Vacuum annealing furnace	Surface quality bubble on surface,
13	machining	x-ray cutting machine	stress, Flatness
14	check	Flat-stone mill	Final Quality
15	package		certificate of quality

3. Advantages:  

Advantage of XGM furnace parts:

- specially precise integrating technology for tungsten and molybdenum parts                                  

- uniform grain with densified microstructure ensures longer life time                                

- ready for use parts with precise machining tolerance.

Molybdenum hot zone and heating radiation shields