TiAl alloys are regarded as ideal lightweight structural materials above 600° C and show
remarkable application prospects in the field of aerospace materials. However, many …

Improving the plasticity of TiAl alloys at room temperature has been a longstanding
challenge for the development of next-generation aerospace engines. By adopting the nacre …

Utilising additive manufacturing (AM), reactors with composite structures, featuring locally
tuned geometries and controlled porosity, can effectively be employed in chemical reactions …

Ammonia (NH3)-based aircraft 1, 2 could be an alter-native to hydrogen (H2)-based aircraft,
3− 5 which are being proposed in a zero-emission target. The advantages of NH3 stem from …

The 15 short chapters that form this 2023 ammonia-for-energy roadmap provide a
comprehensive assessment of the current worldwide ammonia landscape and the future …

Aviation NO x emissions have not only an impact on global climate by changing ozone and
methane levels but also contribute to deteriorate local air quality. In order to properly assess …

Zero-emission aviation initiatives have mainly focused on using hydrogen or drop-in biofuels
and sustainable aviation fuels (SAF) to replace fossil-based jet fuels to achieve near-term …

The emissions from fossil fuel use not only affect climate but also affects air pollution both
directly (emitting primary particles) and indirectly (emitting precursors for formation of ozone …

The fundamental challenge facing today's aviation industry is to achieve net zero climate
impacts while simultaneously sustaining growth and global connectivity. Aviation's impact on …

Over the past two decades, zero-emission aviation initiatives have focused on using drop-in
biofuels and sustainable aviation fuels (SAF) to replace fossil-based jet fuels to achieve near …