REFRACTORY METALS - COMPOSITES - SPECIAL ALLOYS - MarkeTech International

$Refractory Metals and Special Alloys - MarkeTech International$

Toll Free 877-452-4910 Tel: 360-379-6707 Fax 360-379-6907	MarketTech International, Inc. 107B Louisa St. Port Townsend, WA 98368	Search Keyword(s):

Marketech's Metal Tech Group provides refractory metals, composites and special alloys for aerospace, oilfield, industrial, electronic, medical, and defense applications. We provide finished components, bar stock, sheet, tubes, wire, and rods of a wide range of compositions. For large production, we offer MIM, metal injection molding.

MIM Processing

MIM is a fast growing manufacturing method that bridges the manufacturing gap that other metal working technologies and shaping processes cannot be fulfilled because of technology or cost. MIM can be a very cost effective method for producing large quantities of precision parts.

Powder Mixing A fine metal powder is blended with a binder system to produce a feedstock suitable for Injection molding.	Injection Molding The feedstock is injected into molds similar to those used in conventional plastic injection molding.
De-binding The molded "green" parts are immersed in a water bath to dissolve the majority of the binder,	Nylon Bonded Products Such as bonded high-dendity and magnet products, etc.
Sintering The "green" parts are sintered in a furnace at a high temperature.	Finished Parts After sintering, the net shape components are ready without any secondary operation.

MIM Advantages

High Shape Complexity: MIM process can produce more complex parts than either investment casting or traditional press and sinter techniques.

Low Cost: Machining operations can be eliminated.

Tight Tolerances: Dimensions of parts produced with our feedstock can be held to +/- 0.001~0.002" per inch.

High Density: MIM parts produced with our feedstock will have density levels between 97.5-99.5%. These l levels typically exceed traditional press and sinter techniques.

High Performance: The tensile strengths, elongations and hardness are superior to traditional press and sinter techniques, and comparable to investment casting or machine components.

MIM Typical Materials

Material Group	Alloy/Material	Description
Tungsten Heavy Alloy	W-Ni-Fe W-Ni-Cu	High density (max 18.5g/cm3), small coefficient of expansion and large modulus of elasticity. It is extensively used in military equipments, balance weights, aircraft components, nuclear and medical shields, fishing and sport tackles etc.
Tungsten-Copper Alloys	Tungsten-Copper	Characterized by high thermal conductivity, low thermal expansion and high wear resistance combined with excellent electrical conductivity.
Stainless Steel Parts	Stainless Steel	Corrosion resistance. For dental drill components, watch bezel and watch band components, auto parts, etc.
Cermets	Titanium Carbonitride	High resistance to wear, corrosion and oxidation.
Carbide	Tungsten Carbide	High wear and shock resistance, high strength and hardness.
Controlled Expansion and Sealing Materials	Nickel-Copper	Uniform and low thermal expansion alloys.
Bonded High Density Products	W-Nylon	High density (up to the density of lead 11.0 g/cc) Unlike lead, these compounds are completely nontoxic. Replace lead for weighting, balancing and radiation shielding applications.
Soft Magnetic Materials	Nickel-Iron	High permeability, low loss magnetic alloys.

Applications

The technology excels at applications that require shape complexity and high final properties, such as high strength and density, excellent magnetic permeability, high temperature strength, corrosion resistance, and thermal conductivity in applications that cannot be fulfilled by plastics or light metal alloys. MIM Applications include the following:

Counterbalance
Microelectronic packaging
Automotive sensors and actuators
Hand tools and Hardware
Computer heat dissipation devices
Oil well drilling tools
Golf club heads
Electrical connectors and switches
Biomedical implants
Aerospace and engine fuel components

Capability

We can supply high quality MIM parts at competitive prices. Our production capability is 100 Ton/year or 15 Ton/month. Quantities of 20,000 pieces or more per order or shipment will fit MIM processing.

MarkeTech Product Sites:

Alumina - Ceramics - Crystals - Heat Sinks - Metals - Products - Sapphire - Scintillators -Tungsten