basalt
TRANSCRIPT
Presented By:Presented By:
Shahan AkhtarShahan AkhtarM.Sc. Fiber M.Sc. Fiber
Tech.Tech.2008-2008-
ag-52.U.A.F.ag-52.U.A.F.
OUT-LINE OUT-LINE
Basalt introductionBasalt introductionManufacturing processManufacturing processKey propertiesKey propertiesApplication ExamplesApplication Examples
IntroductionIntroduction
known as a rockknown as a rock lavalavaOccurance Occurance Basic minerals Basic minerals CheaperCheaperNon-Toxic, Non-Toxic,
Non-CombustibleNon-Combustible
Brief History
First extrudement of filament.First extrudement of filament. Authentic start of research.Authentic start of research.
Golden era of 1960/70’s. Golden era of 1960/70’s.
Research eventually became successful. Research eventually became successful.
It is in Perestroika, the technology was It is in Perestroika, the technology was declassified. declassified.
Chemical composition basalt rock:
2.08 TiO2
2.10Na2O
4.42 Fe2O3
5.10 MgO
8.50 CaO
9.43 FeO
15.48Al2O3
51.58SiO2
% weight of basaltChemical compound
Chemical Name & Structure
Al
Al
Al
Al
Al
An overview of the basalt fiber manufacturing process is:
Stone crushing
Loading and transportation
Washed out with water & then dry
Material is fed into furnace.
Molten material flows into a fore-hearth.
Platinum alloy “bushing”.
A single strand(7-17μ).
A water-based sizing
Package forming.
The untwisted roving, twisted/plied into a yarn, or chopped to a fixed length.
Cont.Cont.
Manufacturing processManufacturing process
1) Crushed stone, 2)Loading station, 3) Transport system, 4)dry station, 5) Initial melt zone, 6) Secondary controlled heat zone, 7) Filament forming, 8) Sizing applicator, 9) Strand formation, 10) Fiber tensioning, 11) Winding
Microscopic view of Basalt FiberMicroscopic view of Basalt Fiber
PropertiesProperties
High tensile strength (breaking strength)
Low elongation at break
High elastic modulus
Density: 2.7 gram/cubic centimeter
Low thermal conductivity
High sound absorption coefficient
Cont.Cont.
Low moisture absorption
High specific volume resistance
Radiation proof lead equivalent
Permanent flame retardant resistance
Extraordinary high softening temperature (point): >1200 Celsius degree
Operating temperature range: from -260 to 760 Celsius degree
Chemical propertiesChemical properties
Low water absorbencyLow water absorbency Good alkaline resistanceGood alkaline resistance Also acid and salt resistanceAlso acid and salt resistance
0.2H2O
6.02N NaOH
2.22N HCl
Chemical stability (loss weight after 3 hours boiled(%))
250500300380750
Maximum Service
Temperature °C
2.8 - 3.61.5 - 2.05.34.73.1Elongation at break
70 - 140230 - 60083 - 8672.5 - 75.593.1 - 110Elastic Modulus
(GPa)
2900 - 3400
3500 - 6000
4020 - 4650
3100 - 38004100 - 4840
Tensile Strength (MPa)
1.451.782.542.54 - 2.572.63 - 2.8Density (g/cm³)
AramidCarbonS-GlassE-GlassContinuous
BasaltProperties
Comparative technical index betweenbasalt fibers & the other mineral fibers
Basalt Fiber 3-D Sandwich FabricBasalt Fiber 3-D Sandwich Fabric
Basalt Fiber 3-D Sandwich FabricBasalt Fiber 3-D Sandwich Fabric high grade yacht.high grade yacht. speed train.speed train. chemical tanks.chemical tanks. wind turbine.wind turbine. core layers of the core layers of the
Radiation protectionRadiation protection Architectural decoration.Architectural decoration. Heat preservation & sound Heat preservation & sound
insulation.insulation.
Basalt Fiber SheetBasalt Fiber Sheet
Reinforcement forReinforcement for The bridgeThe bridge tunnel structure tunnel structure The wood reinforced The wood reinforced
structure structure beams, colums, beams, colums,
plates.plates.
Basalt Fiber Needled Felt
Advanced air filtration system.Advanced air filtration system.
Poisonous gas and dust filtration systems in Poisonous gas and dust filtration systems in chemical industrychemical industry
Filtration, acoustic absorption, heat insulation Filtration, acoustic absorption, heat insulation and vibration proofing system in electronic and vibration proofing system in electronic industry.industry.
High temperature resistance, environmental High temperature resistance, environmental protection automobile mufflers.protection automobile mufflers.
Heat insulation and acoustic absorption Heat insulation and acoustic absorption system of vessels and ships.system of vessels and ships.
Basalt Fiber Sealing RopesBasalt Fiber Sealing Ropes
Furnace doors, cover board, success Furnace doors, cover board, success opening, had the hole of the high temperature opening, had the hole of the high temperature pressure furnace. pressure furnace.
Applied in sealing material, which owing the Applied in sealing material, which owing the compressibility, the high elastic and the low compressibility, the high elastic and the low friction coefficient.friction coefficient.
Excellent properties of acid alkali resistance Excellent properties of acid alkali resistance in the parts connection or transforming in the parts connection or transforming corrosion media. corrosion media.
Basalt Geo gridBasalt Geo grid
They are made up of natural raw material (natural chemical composition provides chemical stability and resistance).
They are non inflammable and they can carry out distributed load.
The cost is 4-5 times lower than other geo textile material.
ConclusionConclusion
Basalt has excellent set of properties in Basalt has excellent set of properties in thermal, mechanical, chemical and thermal, mechanical, chemical and environmental. Due to low cost they can environmental. Due to low cost they can easily replace many different applications easily replace many different applications of carbon, asbestos, steel, glass fiber.of carbon, asbestos, steel, glass fiber.