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1、ClassificationoflatticeTheSevenCrystalSystemAndTheFourteenBravaisLatticesShivK.GuptaDepartmentofAppliedMechanics,IITDelhi7crystalSystemsSystemUnitCellShape1.Cubica=b=c,===90ShivK.GuptaDepartmentofAppliedMechanics,IITDelhi7crystalSystemsSystemUnitCellShape2.Tetragonala=bc,===90ShivK.GuptaD
2、epartmentofAppliedMechanics,IITDelhi7crystalSystemsSystemUnitCellShape3Orthorhombicabc,===90ShivK.GuptaDepartmentofAppliedMechanics,IITDelhi7crystalSystemsSystemUnitCellShape4.Hexagonala=bc,==90,=1205.Rhombohedrala=b=c,==906.Monoclinicabc,==907.Triclinicabc,ShivK.Gup
3、taDepartmentofAppliedMechanics,IITDelhi14BravaislatticesdividedintosevencrystalsystemsCrystalsystemBravaislatticesCubicPIFSimplecubicPrimitivecubicCubicPBody-centredcubicCubicIFace-centredcubicCubicFShivK.GuptaDepartmentofAppliedMechanics,IITDelhi14BravaislatticesdividedintosevencrystalsystemsCry
4、stalsystemBravaislatticesCubicPIFTetragonalPIOrthorhombicPIFCHexagonalPTrigonalPMonoclinicPCTriclinicPShivK.GuptaDepartmentofAppliedMechanics,IITDelhiOrthorhombicCEnd-centredorthorhombicBase-centredorthorhombicShivK.GuptaDepartmentofAppliedMechanics,IITDelhi14Bravaislatticesdividedintosevencryst
5、alsystemsCrystalsystemBravaislatticesCubicPIFTetragonalPIOrthorhombicPIFCHexagonalPTrigonalPMonoclinicPCTriclinicP?ShivK.GuptaDepartmentofAppliedMechanics,IITDelhiEnd-centredcubicnotintheBravaislist?End-centredcubic=SimpleTetragonalShivK.GuptaDepartmentofAppliedMechanics,IITDelhi14Bravaislatticesd
6、ividedintosevencrystalsystemsCrystalsystemBravaislatticesCubicPIFCTetragonalPIOrthorhombicPIFCHexagonalPTrigonalPMonoclinicPCTriclinicPShivK.GuptaDepartmentofAppliedMechanics,IITDelhiFace-centredcubicintheBravaislist?CubicF=TetragonalIProblem3.1ShivK.GuptaDepartmentofAppliedMechanics,IITDelhi14Bra
7、vaislatticesdividedintosevencrystalsystemsCrystalsystemBravaislatticesCubicPIFCTetragonalPIOrthorhombicPIFCHexagonalPTrigonalPMonoclinicPCTriclinicPShivK.GuptaDepartmentofAppliedMechanics,IITDelhiCouldn’tfindhisp