Friction stir welding of the carbon nanotubes reinforced aluminum matrix composite
- Luan G.H. ,
- Zhang K. ,
- Meng Q. ,
- et al
- Luan G.H. ,
- Zhang K. ,
- Meng Q. ,
- Dong J.H. and
- Wang H.J.
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Description
Carbon nanotube reinforced AA 6063 aluminium alloy (Al, 0.65%Mg, 0.34%Si) metal matrix composite (MMC) sheets (thickness 1.8 mm) were joined by friction stir welding (FSW) and experimental studies were undertaken to examine the MMC weldability as well as the microstructure and mechanical properties of the weldments. Butt welding was conducted using a conventional H13 tool steel on an FSW-LM-2D machine with optimum process parameters (rotational speed, travel speed and welding force) determined from the appearance and performance of weldments. Microstructure and fracture surfaces were observed by optical microscopy, SEM, TEM and electron backscattered diffraction. Mechanical properties were characterised by Vickers microhardness measurements and tensile tests.
11th International Symposium, 17-19 May 2016, Session 8B: FSW, Paper 05
Subjects
- Aluminium and Al alloys
- Nonferrous
- Material
- 6xxx Al series
- Composite materials
- Matrix composites
- Microstructure
- Friction welding
- Welding
- Process
- Friction stir welding
- Weldability
- Particle reinforced composites
- Process conditions
- Strength
- Mechanical properties
- Properties
- Ultimate tensile strength
- Yield strength
- Hardness
- Weld zone
- Weld
- Dynamically recrystallised zone
- HAZ
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