Magnetic Shape Memory Alloy MSMA Magnetostrcitive Material
Magnetic Shape Memory Alloy Ni50-Mn28-Ga22 MSMA Magnetostrcitive
Material
The Magnetic Shape Memory (MSM) in a Ni-Mn-Ga alloy was discovered
in 1996 at MIT by Dr. Kari Ullakko and co-workers. The first MSMA
alloy showed a strain of 0.2%. Since then, huge improvements have
been achieved in the production process of MSM alloys as well as in
the post-production treatments and training
The Magnetic Shape Memory Alloy(MSMA) is a new type of functional
material that the heat-induced Martenitic phase transition occurs
only under the temperature field, and also is stress-induced and
magnetic-induced ones. The main component of the Magnetic Shape
Memory Alloy (MSMA) is Ni-Mn-Ga, and the linear deformation rate
reaches 10% at room temperature.
MSMA has great strain and high impetus and fast response speed and
high efficiency. It is expected to become the preferred driving
material in intelligent material systems.
Characteristics of the Magnetic Shape Memory Alloy for commercial
use
- Typical strain up to 6%
- Blocking stress up to 3.5 MPa
- Magnetic Õeld for maximum strain of about 500 kA/m
- Full strain up to about 2 MPa load
- Work output per unit volume of about 150 kJ/m³
- Energetic eÞciency up to 90%
- Reaction times of about 1 ms (in MSM actuators)
- Hysteresis between stress or magnetic Õeld and strain (material
damping)
- Internal friction
- Magnetic and thermal activation are both possible
- Operating temperatures: -40 °C to 60 °C
- Change in magnetic permeability and electric resistivity during
deformation
As the professional magnetostrictive materials suppliers in China,
we can provide high performance NiMnGa single crystal materials
with specifications of multiple sizes to domestic and foreign
customers, the minimum size is 0.5mm,the maximum size is 30mm.
General dimensions
- 1x2.5x20mm
- 2x3x15mm
- 3x5x20mm
The minimum order quantity is 10pces.
Electrical Properties
- Electrical resistivity ( µOhm/cm ) 70
- Temperature coefficient ( K-1 ) 0.003
Magnetic Properties
Coercivity (Hc) ( A m-1 ) 4000
Curie temperature ( C ) 95 - 105
Initial permeability 2
Maximum permeability 90
Remanence from saturation (Brem) ( T ) 0.02
Saturation flux density ( T ) 0.6
Mechanical Properties
- Hardness - Vickers ( kgf mm-2 ) 130
- Modulus of elasticity ( GPa ) 8 - 20
Physical Properties
- Density ( g cm-3 ) 8
- Melting point ( C ) 1130
Thermal Properties
- Crystallization temperature ( C ) 1090
- Maximum use temperature in air ( C ) 45
- Temperature - Austenitic ( C ) 50
- Temperature - Martensitic ( C ) 45
About XUNSHI
Suzhou Xunshi New Material Co. Ltd- referred as XUNSHI hereafter,
is a professional manufacturer of high-performance alloy products.
XUNSHI is engaged in supplying high quality and cost-effective
Superalloy, Anti-Corrosion Alloy, Precision Alloy, Special
Stainless Steel and Magnetostrictive Material to customers
worldwide.
Why XUNSHI
· Highly experienced in alloy industry
· Top experts of industry in China
· Advanced technology and process from top famous institutes in
China
· Advanced devices through whole production and inspection process
· Strict quality control system
· Company motto: best service, most value
· Smart sales policy
Service Items of XUNSHI
· Non-standard product research and pre-production
· Fabrication of products
· Cutting, splitting for sheets and plates in stock
· Heat treatment (Solution treatment, aging harden treatment,
anneal, spring temper, quench etc.)
· Surface finish (peeling, gridding, polishing)
· Logistics service
· Customized packing service (also for exporting)
· Import and export (XUNSHI is certificated)
· Document translation
· Hard-to-find material sourcing
Customers of XUNSHI
Customers of XUNSHI are all over China (Taiwan and Hong Kong
included). And we are exporting to USA, Canada, Italy, UK, Poland,
Greece, Russia, Turkey, Iran, Israel, South Africa, South Korea,
North Korea, India, Argentina, and Brazil and so on. Customers from
30+ countries trust us.
Where is XUNSHI
A- XUNSHI is in Huaqiao, Kunshan, 215332 China, which is very
closed to Shanghai.
B- Xunshi is around 80KM from Shanghai Pudong International Airport
(PVG).
C- 20KM from Shanghai Hongqiao Airport
D- 20KM from Shanghai Hongqiao Railway Station
E- You can contact XUNSHI sales for a pickup service.
