7050铝合金电阻率及Al、Cu、Ti磁化率研究的开题报告.docx

7050铝合金电阻率及Al、Cu、Ti磁化率研究的开题报告

Title:StudyontheElectricalResistivityof7050AluminumAlloyandMagnetizationofAl,Cu,Ti

Introduction:

7050aluminumalloyisahigh-strengthaluminumalloythatiscommonlyusedinaerospaceapplicationsduetoitsexcellentmechanicalproperties.Theelectricalresistivityofthisalloyisanimportantparameterthataffectsitselectricalconductivityandcanplayacriticalroleinthedesignofelectricalsystems.Additionally,themagneticpropertiesofdifferentmetalscanbeusedinvariousapplications,suchaselectromagnetsandmagneticstoragedevices.Inthisstudy,wewillinvestigatetheelectricalresistivityof7050aluminumalloyandthemagnetizationofaluminum,copper,andtitanium.

Objectives:

1.Tomeasuretheelectricalresistivityof7050aluminumalloyusingastandardfour-pointprobe.

2.Tocalculatetheelectricalconductivityandanalyzetheeffectofheattreatmentontheresistivity.

3.Tomeasurethemagnetizationofaluminum,copper,andtitaniumusingavibratingsamplemagnetometer(VSM).

4.Toanalyzethemagneticpropertiesofthedifferentmetalsandcomparethemtotheirrespectivecrystalstructures.

Methodology:

1.Fabricationof7050aluminumalloysampleswithdimensionsof10mmx10mmx5mm.

2.Heattreatmentofthesamplesatdifferenttemperaturesforasettimetoanalyzetheeffectofheattreatmentontheelectricalresistivity.

3.Measurementoftheelectricalresistivityofthesamplesusingafour-pointprobeatroomtemperature.

4.Calculationoftheelectricalconductivityfromtheresistivitymeasurements.

5.Measurementofthemagnetizationofaluminum,copper,andtitaniumsamplesusingaVSMatroomtemperature.

6.Analysisofthemagneticpropertiesofthemetalsandcomparisonwiththeirrespectivecrystalstructures.

ExpectedResults:

1.Theelectricalresistivityof7050aluminumalloywillbemeasuredandtheeffectofheattreatmentontheresistivitywillbea