Single-Point Incremental Forming of Titanium and Titanium Alloy Sheets

Area of Science:

• Materials Science
• Manufacturing Engineering

Background:

• Single-point incremental forming (SPIF) is crucial for producing complex titanium alloy components cost-effectively.
• Industries like automotive, aerospace, and medicine utilize stamping processes for plastic working.

Purpose of the Study:

• To review the advancements in SPIF for titanium and its alloys.
• To discuss tribological and microstructural challenges affecting geometric accuracy.
• To highlight current trends and applications, especially in medical fields.

Main Methods:

• Review of existing literature on SPIF of titanium and its alloys.
• Analysis of methods to enhance formability, including elevated temperature treatments (friction, electrical, laser heating).
• Discussion of lubrication strategies for titanium alloys with poor tribological properties.

Main Results:

• SPIF enables high-quality, complex titanium parts at low cost.
• Tribological and microstructural issues pose challenges to achieving desired accuracy.
• Elevated temperature treatments and proper lubrication are key to improving formability and minimizing springback.
• Insufficient research exists on the combined effects of rotational speed and direction on surface roughness.

Conclusions:

• SPIF is a valuable technique for titanium alloy manufacturing.
• Addressing tribological and microstructural challenges is essential for optimizing SPIF.
• Further research is needed on optimizing process parameters like rotational speed and direction for surface quality.