B4C/Al Neutron Absorber Material Description
B4C/Al Neutron Absorber Material has excellent neutron absorption capacity and is mainly used in the field of high-density storage and transportation of nuclear fuel. It can maintain the subcritical state of nuclear fuel and prevent chain reactions from occurring. It can also be used in other fields that need to absorb/shield thermal neutrons.
B4C/Al Neutron Absorber Material Specification
|
Type
Item
|
Standard
|
Unit
|
Value
|
|
Color
|
Visual
|
-
|
white
|
|
Thickness
|
ASTM D374
|
Mm
|
0.15/0.2/0.25/0.3/0.4-0.5
|
|
Density
|
ASTM D792
|
g/cm3
|
1.8
|
|
Volume Resistivity
|
ASTM D257
|
KG/cm2
|
>102
|
|
Temperature
|
EN344
|
℃
|
0~80
|
|
Breakdown Voltage
|
ASTM D149
|
KV
|
1.5/2.5/4.5/>5
|
|
Initial Adhesion
|
-
|
100mm
|
8#/14#/16#/18#
|
|
Adhesion Force
|
-
|
Hour
|
>48
|
|
Thermal Conductivity
|
ASTM D5470
|
w/m·k
|
0.3~1.5
|
B4C/Al Neutron Absorber Material Application
1. Control Rods: Used in nuclear reactors to control the rate of the fission reaction. The B4C/Al composite provides efficient neutron absorption, allowing for precise control of the reactor’s power output.
2. Spent Fuel Storage: Employed in storage racks and casks for spent nuclear fuel. The neutron-absorbing properties of B4C help prevent accidental criticality during storage and transportation.
3. Radiation Shielding: Utilized in radiation shielding applications to protect personnel and equipment from neutron radiation. The combination of B4C and aluminum offers effective shielding with manageable weight and structural integrity.
4. Safety and Emergency Systems: Integrated into emergency shutdown systems in nuclear reactors (SCRAM systems). The composite can quickly absorb excess neutrons, helping to rapidly shut down the reactor in case of emergency.
5. Nuclear Waste Management: Used in the packaging and containment of nuclear waste. B4C/Al composites help absorb neutrons from radioactive materials, reducing the risk of critical incidents during storage and disposal.
6. Reactor Structural Components: Incorporated into various structural components within a nuclear reactor, such as cladding, core support structures, and reactor vessel linings. The composite provides neutron absorption while maintaining the necessary mechanical strength.
7. Research Reactors: Applied in experimental and research reactors where precise neutron flux control is essential. B4C/Al materials ensure accurate experimental conditions and safe reactor operation.
8. Neutron Reflectors: Used in neutron reflectors to manage and reflect neutron flux within the reactor core. The composite material helps optimize the reactor’s neutron economy and efficiency.
9. Fusion Reactor Components: Potential application in fusion reactors as part of the materials used for breeding blankets and neutron shields, contributing to neutron management and material protection.
10. Criticality Control in Transport Containers: Employed in transport containers for fresh and spent nuclear fuel to maintain subcritical conditions during transportation, ensuring safety and regulatory compliance.
B4C/Al Neutron Absorber Material Packaging
Our B4C/Al Neutron Absorber Material is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
