Product Details

Tungsten alloy carrier plates heat sink heat resistance sheet used in thermal mounting plates etc...

Tungsten heavy alloy heat sink is manufactured from high performance composites, fabricated from carefully controlled porous tungsten that is vacuum-infiltrated with molten copper.Ni or Fe. As a composite,the thermal advantages of copper and the very low expansion characteristics of tungsten can be utilized.which transfers heat generated within a solid material to a fluid medium, such as air or a liquid to prevent thermal damage. Tungsten alloy electronic packaging is used as heat sink pieces and encapsulation shell.

Features

1.High thermal conductivity
2.Excellent hermeticity
3.Excellent flatness, surface finish, and size control
4.Semi-finished or finished (Au plated) products available
5.CTE closely controlled to match ceramics (Al2O3, BeO), semiconductor (Si), metals like Kovar, etc.

Application

1.Used as high temperature resistance in electronic products and Auto-Engines. Like Computer generates vast amounts of heat, which results in the slow of speed.Tungsten alloy heat sink can solve this problem.

2.Used in applications such as optoelectronics packages, Microwave Packages, Packages, Laser Submounts, etc.

3.Used as heat sink pieces and encapsulation shell.

4.Used in thermal mounting plates, chip carriers, flanges, and frames for RF, microwave millimeter wave packages like LDMOS FET; MSFET; HBT; Bipolar; HEMT; MMIC, light emitting diodes and detectors, laser diode packages like pulse, CW, single emitter, bars and complex carriers for optoelectronics amplifiers, receivers, transmitters, tunable Lasers.

Standard: AMS-T-21014 & ASTM-B-777

AMS-T-21014	Class 1	Class 1	Class 2	Class 2
Composition	90W7Ni3Fe	91W6Ni3Fe	92W5Ni3Fe	93W4Ni3Fe
Density (g/cm3)	17.1±0.15	17.25±0.15	17.50±0.15	17.60±0.15
Heat Treatment	Sintering	Sintering	Sintering	Sintering
Tensile Strength (MPa)	900-1000	900-1000	900-1100	900-1100
Elongation (%)	18-29	17-27	16-26	16-24
Hardness(HRC)	24-28	25-29	25-29	26-30
AMS-T-21014	Class 3	Class 3	Class 4
Composition	95W3Ni2Fe	96W3Ni1Fe	97W2Ni1Fe
Density (g/cm3)	18.10±0.15	18.30±0.15	18.50±0.15
Heat Treatment	Sintering	Sintering	Sintering
Tensile Strength (MPa)	920-1100	920-1100	920-1100
Elongation (%)	42665	42602	42534
Hardness(HRC)	27-32	28-34	28-36

ASTM B 777-99
Class		1	2	3	4
Tungsten Nominal %		90	92.5	95	97
Density (g/cc)		16.85-17.25	17.15-17.85	17.75-18.35	18.25-18.85
Hardness (HRC) Max		32	33	34	35
Ultimate Tensile Strength	ksi	110	110	105	100
	Mpa	758	758	724	689
Yield Strength at 0.2% off-set	ksi	75	75	75	75
	Mpa	517	517	517	517
Elongation, %		5	5	3	2

Quick Response:feedback within 24hours
High quality:Well-trained workers and more than 10 years experience technical staff
Competitive price :Directly from factory to save your money.
short lead time:sample 5-10days,large order about 20 days
Flexibility:order no matter how big or small all welcome
OEM & ODM both ok

We can offer various type with different functions for customers, not only manufacture

according to the international standard, but also can design as per the requirements of customers.

Please choose freely from the wide range of already available Tungsten alloy carrier plates heat sink heat resistance sheet or contact us with your specifications. Please do not hesitate to contact Irene.

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