Carbide inserts.

Tool Wear Analysis

Materials development for machining inserts and tools for titanium and other metals is an important and complex field, with many challenges and opportunities. The development of new and improved materials for machining inserts and tools allows for increased productivity, improved surface finish, and longer tool life, which can ultimately lead to cost savings for manufacturers and improved production quality.

The uses of these materials are varied, from aerospace and medical applications, where high precision and surface finish are required, to automotive and energy applications, where high productivity and tool life are key. The aerospace industry, in particular, is a major consumer of titanium and other high-strength, lightweight alloys, and the development of new machining materials is crucial to the production of high-quality, reliable components.

Tool Material Development

The complexity of material development for machining inserts and tools for titanium and other metals arises from the need to balance several competing factors. These include the need for high hardness, toughness, and thermal stability, as well as the ability to withstand high cutting speeds and temperatures. Additionally, the development of new materials must take into account the economic feasibility of the process and the availability of raw materials. This requires a multidisciplinary approach, including materials science, metallurgy, and manufacturing engineering, and often involves the use of advanced simulation and characterization techniques.

Overall, the field of material development for machining inserts and tools for titanium and other metals is a challenging and important area of research and development, with many opportunities for innovation and advancement.

Image of a chipped tungsten carbide insert used for titanium machining.

Our areas of cutting tool materials technology research include... polycrystalline diamond (PCD) tool materials for titanium alloy machining.

...understanding critical tool wear mechanisms such as diffusion-driven crater wear in the turning of titanium alloys and nickel-based superalloys.

...alumina (Al2O3) coating technology for nickel-based superalloy machining.

Publications of Interest

An experimental and theoretical investigation on Ti-5553/WC-Co(6%) chemical interactions during machining and in diffusion couples

A. Graves, A. Salmasi, S. Graham, W. Wan, C. Xiao, M. Jackson, H. Larsson, S. Norgren

Wear, 2022, 204604

On the mechanism of crater wear in a high strength metastable β titanium alloy

A. Graves, S. Norgren, W. Wan, S. Singh, M. Kritikos, C. Xiao, P. Crawforth, M. Jackson

Wear, 2021, 203998