Rare Earth Overview 2010 - USGS
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RareRare--Earth Industry Overview and Earth Industry Overview and Defense ApplicationsDefense ApplicationsDefense ApplicationsDefense Applications
By James B. HedrickBy James B. HedrickBy James B. HedrickBy James B. HedrickU.S. Geological Survey U.S. Geological Survey -- RetiredRetiredHedrick Consultants Inc., Burke, VirginiaHedrick Consultants Inc., Burke, Virginia2010 SME Annual Meeting and Exhibit2010 SME Annual Meeting and Exhibit1 March 20101 March 2010
U.S. Department of the InteriorU.S. Geological Survey
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Rare Earths DefinedRare Earths Defined The rare earths are not rare, nor are they earthsThe rare earths are not rare, nor are they earths Rare earths are a group of 17 elementsRare earths are a group of 17 elements Rare earths are a group of 17 elements Rare earths are a group of 17 elements
comprising scandium, yttrium, and the comprising scandium, yttrium, and the lanthanideslanthanides
The lanthanides are a group of 15 elements: The lanthanides are a group of 15 elements: lanthanum, cerium, praseodymium, neodymium, lanthanum, cerium, praseodymium, neodymium, p y yp y ypromethium, samarium, europium, gadolinium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetiumytterbium, and lutetium
The rareThe rare--earth elements are abbreviated “REE”earth elements are abbreviated “REE”
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Periodic TablePeriodic Table
Source: Source: Dmitri Ivanovich Mendeleev
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REE Mineral ReservesREE Mineral Reserves
CISAustralia
6.0%
88 million metric tons of contained rare-earth oxide (REO)
21.8%6 0%
China30.9%
Malaysia<1%
United States
Others25.2%
United States14.9%India
1.3%
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REE World Mineral Production in 2008REE World Mineral Production in 2008124,000 metric tons of contained rare-earth oxide (REO)
China97.0%
India
Malaysia0.3%
2.2%
Brazil0 5%0.5%
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Rare Earth OresRare Earth Ores BastnäsiteBastnäsite--(Ce)(Ce) (Ce, La, Nd, Pr)(CO(Ce, La, Nd, Pr)(CO33)F)F
MonaziteMonazite--(Ce)(Ce) (Ce, La, Nd, Th)PO(Ce, La, Nd, Th)PO44
XenotimeXenotime--(Y)(Y) YPOYPO XenotimeXenotime--(Y)(Y) YPOYPO44
LopariteLoparite--(Ce)(Ce) (Ce, Na, Ca)(Ti, Nb)O(Ce, Na, Ca)(Ti, Nb)O33
Ion adsorption type (IAT) REE ions adsorbed on Ion adsorption type (IAT) REE ions adsorbed on clayclay-- formed from lateritic weatheringformed from lateritic weatheringyy gg Ion adsorption clay YIon adsorption clay Y--richrich Ion adsorption clay La, NdIon adsorption clay La, Nd--richrich
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Principal RarePrincipal Rare--Earth DepositsEarth Deposits BastnäsiteBastnäsite
Mountain Pass, CA, USAMountain Pass, CA, USA Bayan Obo, Inner Mongolia, ChinaBayan Obo, Inner Mongolia, China Mianning, Sichuan Province, ChinaMianning, Sichuan Province, China Weishan Lake, Shandong Province, ChinaWeishan Lake, Shandong Province, China Weishan Lake, Shandong Province, ChinaWeishan Lake, Shandong Province, China
MonaziteMonazite Kerala State, Tamil Nadu State, and Orissa State, IndiaKerala State, Tamil Nadu State, and Orissa State, India
Lateritic ionLateritic ion--adsorption clayadsorption clay Xunwu, Jiangxi Province, ChinaXunwu, Jiangxi Province, China Longnan Jiangxi Province ChinaLongnan Jiangxi Province China Longnan, Jiangxi Province, ChinaLongnan, Jiangxi Province, China
LopariteLoparite Lovozero, Kola Peninsula, RussiaLovozero, Kola Peninsula, Russia
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BastnäsiteBastnäsiteMountain Pass CAMountain Pass CAMountain Pass, CAMountain Pass, CA
Weight Percent of Total Recovered REE:Bastnäsite (Mountain Pass, CA)
Pr
SmGdCe NdGd
Tb
Eu HoLuYbTmErY
La Dy
Source: Johnson, G.W. and Sisneros, T.E., 1981.
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MonaziteMonaziteAustraliaAustralia
Weight Percent of Total Recovered REE:Monazite (Australian)
Sm Y DyGd
Pr
Nd Tb
LaCe
Eu
Ho
ErErTm
YbLu
Source: Westralian Sands, Ltd., 1979.
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LopariteLopariteRussiaRussiaRussiaRussia
Weight Percent of Total Recovered REE:Loparite (Russia)
PrSmY
Ce
Nd Gd
Eu
HoCe Ho
Er
YbTm
LaDyLuYb
Source: Hedrick, J.B., Sinha, S.P., and Kosynkin, V. D. 1997
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XenotimeXenotimeMalaysiaMalaysiayy
Weight Percent Of Total Recovered REE:Xenotime (Malaysian)
CeLa
PrSm
Dy
Y
Nd
Tb
Gd
Er
Ho
Eu
Lu
Yb
Tm
Source: Johnson, G.W. and Sisneros, T.E., 1981.
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IAT Ore IAT Ore –– yttrium richyttrium richLongnan Jiangxi Province ChinaLongnan Jiangxi Province ChinaLongnan, Jiangxi Province, ChinaLongnan, Jiangxi Province, China
Weight Percent of Total Recovered REE:Longnan Lateritic Ore (China)
Dy LaCe
Pr
SmNd
Gd
Y
ErHo
EuTb
TmEr
YbLu
Source: Introduction to Jiangxi rare earths and applied products, 1985 (Jiangxi Province brochure).
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IAT Ore IAT Ore –– Nd and La rich Nd and La rich XunwuXunwu Jiangxi Province ChinaJiangxi Province ChinaXunwuXunwu, Jiangxi Province, China, Jiangxi Province, China
Weight Percent of Total Recovered REE:Xunwu Lateritic Ore (China)
Sm
Nd
Tb
Eu
Gd
Pr
Sm Eu
HoErTm
CeY
D
Tm
Yb
Lu
La
Dy
Source: Introduction to Jiangxi rare earths and applied products, 1985 (Jiangxi Province brochure).
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Rare Earth World Production and U.S. Rare Earth World Production and U.S. ImportsImports
140,000
100,000
120,000
REO
60,000
80,000
Met
ric to
ns o
f R
20,000
40,000
M
01953 1958 1963 1968 1973 1978 1983 1988 1993 1998 2003 2008
World production U.S. imports
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Mineral ProcessingMineral Processing
Credit: Molycorp, Inc.Credit: Molycorp, Inc.
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Beneficiation of BastnäsiteBeneficiation of Bastnäsite
Source: Molycorp, Inc., compiled by J.B. Hedrick and G.B. Haxel
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Solvent Extraction (SX) ProcessingSolvent Extraction (SX) Processing
Immiscible solutions of an organic solvent and aqueous raffinate are mixed mechanically and then allowed to separate enriching the solvent in a particular raremechanically and then allowed to separate, enriching the solvent in a particular rare earth.
The longer the solutions are mixed and allowed to separate, the higher the purity.
Source: Molycorp, Inc., compiled by: J.B. Hedrick and G.B. Haxel
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Beneficiation of Placer MonaziteBeneficiation of Placer MonaziteWet and Dry Mill (Generalized)Wet and Dry Mill (Generalized)Wet and Dry Mill (Generalized)Wet and Dry Mill (Generalized)
Source: Molycorp, Inc., compiled by: J.B. Hedrick and G.B. Haxel
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Defense ApplicationsDefense Applications
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SamariumSamarium--cobalt magnets in motors for cobalt magnets in motors for fli h l ffli h l fflight control surfacesflight control surfacesAIMAIM--9X Sidewinder9X Sidewinder AIMAIM--120 AMRAAM120 AMRAAMAIMAIM 120 AMRAAM120 AMRAAM
AIMAIM--54 Phoenix54 Phoenix
Credit: U.S. Department of DefenseCredit: U.S. Department of Defense
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AIMAIM--120 AMRAAM Missile120 AMRAAM Missile SmSm--Co magnets used by midCo magnets used by mid--fuselage finsfuselage fins Improved Electronic Counter Counter Measures (ECCM) with Improved Electronic Counter Counter Measures (ECCM) with
jamming detection an upgraded seeker and a longer rangejamming detection an upgraded seeker and a longer range rarerarejamming detection, an upgraded seeker, and a longer range jamming detection, an upgraded seeker, and a longer range –– rare rare earths in ECCMearths in ECCM
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BGMBGM--109D Tomahawk Cruise Missile109D Tomahawk Cruise MissileTail control fins use direct drive RE magnet actuatorsTail control fins use direct drive RE magnet actuators
Credit: Raytheon CorporationCredit: Raytheon Corporation
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Smart BombsSmart Bombs——Joint Direct Attack Joint Direct Attack Munitions (JDAM)Munitions (JDAM) NdNd--FeFe--B magnets control fins of gravity guided bombs B magnets control fins of gravity guided bombs
linked to a GPS systemlinked to a GPS system Magnets for JDAMMagnets for JDAM
made in Chinamade in Chinamade in Chinamade in China
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Nd:YAG LaserNd:YAG LaserDesignatorDesignator--RangefinderRangefinder Laser Targeting System Laser Targeting System
on Abrams M1A1 Tankon Abrams M1A1 Tank
Credit: Engineered Support Systems, Inc. and U.S. ArmyCredit: Engineered Support Systems, Inc. and U.S. Army
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FF--15 With Yttria15 With Yttria--Stabilized ZirconiaStabilized Zirconia
Coating in hot section of engine to protect metal alloyCoating in hot section of engine to protect metal alloy
Credit: Wolfgang BredowCredit: Wolfgang Bredow
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FF--117 Avionics with REE Phosphors117 Avionics with REE Phosphors
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Sonar Transducers for SubmarinesSonar Transducers for Submarines TerfenolTerfenol--DD®® TbTb--FeFe--Ni alloy with Dy Ni alloy with Dy -- magnetostrictive alloymagnetostrictive alloy Magnetic domains in the crystal rotate when a magnetic field Magnetic domains in the crystal rotate when a magnetic field
is appliedis applied which creates a sonar pingwhich creates a sonar pingis appliedis applied which creates a sonar ping. which creates a sonar ping.
Credit: General Dynamics Corporation Credit: General Dynamics Corporation —— Electric BoatElectric Boat
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Radar SurveillanceRadar Surveillance RareRare--earth magnet earth magnet
waveguides in travelling waveguides in travelling ( )( )wave tubes (TWT) and wave tubes (TWT) and
klystronsklystrons Yttrium iron garnet (YIG) Yttrium iron garnet (YIG) g ( )g ( )
and yttrium gadolinium and yttrium gadolinium garnet (YGG) in phase garnet (YGG) in phase shifters, tuners, and filtersshifters, tuners, and filters, ,, ,
Rare earths are used in Rare earths are used in pulsed and continuous pulsed and continuous wave radar satellitewave radar satellitewave radar, satellite wave radar, satellite communicationcommunication
Credit: Raytheon CorporationCredit: Raytheon Corporation
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Electronic WarfareElectronic Warfare Electronic Intelligence (ELINT)Electronic Intelligence (ELINT)
Electronic Countermeasures (ECM)Electronic Countermeasures (ECM) Electronic Countermeasures (ECM)Electronic Countermeasures (ECM) Support JammingSupport Jamming SelfSelf--Protect JammingProtect Jamming
El t i S ill M (ESM)El t i S ill M (ESM) Electronic Surveillance Measures (ESM)Electronic Surveillance Measures (ESM)
Both ESM and ECM use Yttrium Iron Garnets (YIG)Both ESM and ECM use Yttrium Iron Garnets (YIG) Both ESM and ECM use Yttrium Iron Garnets (YIG) Both ESM and ECM use Yttrium Iron Garnets (YIG) and Yttrium Gadolinium Garnets (YGG)and Yttrium Gadolinium Garnets (YGG)
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FerriteFerrite--Enabled Defense SystemsEnabled Defense SystemsYttrium iron garnet (YIG) Yttrium iron garnet (YIG) –– Yttrium gadolinium garnet (YGG) Yttrium gadolinium garnet (YGG)
• Phased-Array Radars—Patriot, Aegis, B-1B, Joint STARS SPQ-9B
tt u o ga et ( G)tt u o ga et ( G) tt u gado u ga et ( GG)tt u gado u ga et ( GG)
STARS, SPQ 9B• Communication Satellites—DSCS III, MILSTAR,
Advanced EHF, ClassifiedAdvanced EHF, Classified• Communication Systems
• F-22 Intra-Flight Data Link, Dark Star and newer UAV gData Links
• Potential JSF, UCAV, etc.ECM S t• ECM Systems
• ALQ-172 (B-52, AC-130), ALQ-178 (F-16)• ALQ-211 (AH-64D MH-47 MH-60 CV-22)• ALQ-211 (AH-64D, MH-47, MH-60, CV-22)
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PATRIOT Phased-Array TRacking to Intercept Of Target solid state phased array radar
YIG and YGG used in toroids and RF (radio frequency) circulators
Credit: Raytheon CorporationCredit: Raytheon Corporation
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BMEWS Ballistic Missile Early Warning System solid state phased array radar
Credit: Raytheon Corporation and U.S. Air ForceCredit: Raytheon Corporation and U.S. Air Force
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REE Production TrendsREE Production Trends
MonaziteMonazite--placer placer ││ Mountain Pass Mountain Pass ││ Chinese era Chinese era →→ ? ? eraera eraeraera era eraera
Source: USGS Fact Sheet 087-02 updated with recent USGS Minerals Yearbook
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Rare Earth ImportsRare Earth ImportsPrincipal sources by weight in 2008Principal sources by weight in 2008Principal sources by weight in 2008Principal sources by weight in 2008
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Tensile Strength Tensile Strength (ksi = 1,000 pounds/square inch)(ksi = 1,000 pounds/square inch)Al ScAl Sc--Al and Ti AlloysAl and Ti AlloysAl, ScAl, Sc--Al, and Ti AlloysAl, and Ti Alloys
146164
190
160180200
96 100
145146
120140160
91 91.5 92 96 100
5064 66 69 70
83 90
6080
100
50
204060
0Al 6013-T8 Al 2024 Al 7046 Al 7075Al 7475 Al 7050 Al 7055 Sc500Sc777 Al C555 Sc ScXS Gen1X ScTi-6Al-4V Ti-6Al-2Sn-4Zr-2Mo Ti-15V-3Cr-3Al-3Sn Ti-10V-2Fe-3AlTi-6Al-4V Ti-6Al-2Sn-4Zr-2Mo Ti-15V-3Cr-3Al-3Sn Ti-10V-2Fe-3Al
Source: Company alloy data, ASTM, MatWeb Material Property Data
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DensityDensity (g/cm(g/cm33))Al ScAl Sc Al and Ti AlloysAl and Ti AlloysAl, ScAl, Sc--Al, and Ti AlloysAl, and Ti Alloys 4.42
4.54 4.17
4.65
4.505.00
2.77
2.80
2.80
2.85
2.85
2.85
2.85
2.85
2.71
2.85
2.85
2.85
3.003.504.00
1.502.002.50
0 000.501.001.50
0.00Al 6013-T8 Al 2024 Al 7046 Al 7075Al 7475 Al 7050 Al 7055 Sc500Sc777 Al C555 Sc ScXS Gen1X ScTi-6Al-4V Ti-6Al-2Sn-4Zr-2Mo Ti-15V-3Cr-3Al-3Sn Ti-10V-2Fe-3Al
Source: Company alloy data, ASTM, MatWeb Material Property Data
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DensityDensityyyAl, Ti, Steel, and ScAl, Ti, Steel, and Sc--Al AlloysAl Alloys
8 00
7.866.00
7.00
8.00Aluminum 5083Titanium-6Al-4VRolled Homogeneous Steel
0 0 S
4.00
5.00Al-0.07Sc
2.70
4.50
2.7021 00
2.00
3.00
0.00
1.00
grams/cubic centimeter
Source: Company alloy data, ASTM, MatWeb Material Property Data
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Price Comparison at yearend 2009Price Comparison at yearend 2009Stainless Steel Aluminum Titanium alloy and ScStainless Steel Aluminum Titanium alloy and Sc Al alloysAl alloysStainless Steel, Aluminum, Titanium alloy, and ScStainless Steel, Aluminum, Titanium alloy, and Sc--Al alloysAl alloys
$74.00$80.00 304 Stainless Steel
$50 00$60.00$70.00 Al (Ingot)
Ti (6Al-4V)
$19 29$30.00$40.00$50.00
Sc-Al (Al 98% - Sc2%) master alloySc-Al (Al 99.98% -
$0.64 $2.18
$19.29
$3.67$10.00$20.00$ (
.02% Sc)
$0.00Dollars per kilogram
Source: American Metal Market, London Metal Exchange, and Stanford MaterialsSource: American Metal Market, London Metal Exchange, and Stanford Materials
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Unmanned Aerial Vehicle (UAV) Unmanned Aerial Vehicle (UAV) ––P d t d th RP d t d th RPredator and the ReaperPredator and the ReaperMQMQ--1B Predator1B Predator
MQMQ--9 Reaper 9 Reaper
Credit: U.S. Air ForceCredit: U.S. Air Force
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UAV UAV –– MultiMulti--Spectral Targeting SystemSpectral Targeting SystemAN/AASAN/AAS 52 by Raytheon has rare earths in:52 by Raytheon has rare earths in:AN/AASAN/AAS--52 by Raytheon has rare earths in:52 by Raytheon has rare earths in:•• Infrared and CCDTV sensors Infrared and CCDTV sensors -- focal plane arrays focal plane arrays (FPA) polished with cerium oxide(FPA) polished with cerium oxide•• NdNd--YAG laser rangefinder, designator, and illuminator YAG laser rangefinder, designator, and illuminator
Optional laser spot tracker sensor with FPA andOptional laser spot tracker sensor with FPA and•• Optional laser spot tracker sensor with FPA and Optional laser spot tracker sensor with FPA and integrated circuits polished with cerium oxide and integrated circuits polished with cerium oxide and yttriumyttrium--containing ferrite electronicscontaining ferrite electronics•• Lenses are polished with cerium oxideLenses are polished with cerium oxide
Credit: U.S. Air ForceCredit: U.S. Air Force
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Chemical Mechanical Polishing (CMP) Chemical Mechanical Polishing (CMP) also known as Chemical Mechanical Planarizationalso known as Chemical Mechanical Planarizationalso known as Chemical Mechanical Planarizationalso known as Chemical Mechanical Planarization
Cerium oxide is used Cerium oxide is used in polishing:in polishing:in polishing:in polishing: Semiconductors Semiconductors ––
Logic and Memory Logic and Memory StorageStorageStorageStorage
DielectricsDielectrics STI or Shallow STI or Shallow
Trench Isolation Trench Isolation --TransistorsTransistors
Credit: Alpsitec Credit: Alpsitec
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Focal Plane Arrays (FPA) HgCdTe or InSb polished with cerium oxide
Credit: International Society for Optics and Photonics (SPIE) and Raytheon CorporationCredit: International Society for Optics and Photonics (SPIE) and Raytheon Corporation
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CMP CMP –– Chemical Mechanical Chemical Mechanical P li hi E i tP li hi E i tPolishing EquipmentPolishing Equipment Silicon wafer polishing equipment Silicon wafer polishing equipment Cerium oxide polishing slurriesCerium oxide polishing slurries Cerium oxide polishing slurriesCerium oxide polishing slurries
Credit: Alpsitec and Speedfam Inc.Credit: Alpsitec and Speedfam Inc.
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Future designs with rare earthsFuture designs with rare earthsFF--35 Joint Strike Fighter design35 Joint Strike Fighter design
FF--35A (CTOL) / F35A (CTOL) / F--35B (STOVL) / F35B (STOVL) / F--35C (CV) 35C (CV)
SMSM--36 Stalma36 Stalma™™ designdesignSMSM 36 Stalma36 Stalma designdesign Short TakeShort Take--off Advanced Light Multioff Advanced Light Multi--role Attack Jetrole Attack Jet Designed to replace FDesigned to replace F--1616 11% Sc11% Sc--Al in frame decreases frame weight whileAl in frame decreases frame weight while 11% Sc11% Sc--Al in frame decreases frame weight while Al in frame decreases frame weight while
maintaining strength allowing shorter take off.maintaining strength allowing shorter take off. ScSc--Al in internal wing, canard and empennage Al in internal wing, canard and empennage
internal structure, fuselage geodetic substructure, internal structure, fuselage geodetic substructure, air intake ducts, and landing gear structure. air intake ducts, and landing gear structure.
Planned for 2020Planned for 2020--2025 multi2025 multi--role fighter market.role fighter market.
Credit: Stavatti Aerospace and Lockheed MartinCredit: Stavatti Aerospace and Lockheed Martin
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Rare Earths Are Used in DefenseRare Earths Are Used in DefenseEvery Second…24/7Every Second…24/7
Credit: U.S. Air ForceCredit: U.S. Air Force