Niti alloy energy storage

Do NiTi alloys have thermal conductivity and latent heat?

To prove this claim, time-domain thermoreflectance, frequency-domain thermoreflectance, and differential scanning calorimetry studies were conducted on commercial NiTi alloys to quantify thermal conductivity and latent heat.

How much energy does a NiTi alloy absorb?

Therefore, when NiTi alloy energy-absorbing lattice structures undergo deformations of up to tens of percent to absorb energy, the localized strains must not exceed 6 % to ensure they can recover their original shape during subsequent heating processes.

Is NiTi alloy reusable energy-absorbing lattice?

The NiTi alloy HLS exhibits superior reusable energy absorption compared to previously reported reusable energy-absorbing materials/structures and enhanced damage tolerance under large compression strain. This study provides valuable insights for the development of high-performance reusable NiTi alloy energy-absorbing lattice structures. 1.

Are NiTi alloys suitable for transient thermal management?

Nevertheless, NiTi alloys are not without their own inherent limitations, including phase transition hysteresis, a considerable overall phase transition temperature range, and poor cycling stability. These factors, to some extent, impede their utilization in transient thermal management.

Is Niti a good thermal management material for microelectronic devices?

Recently, NiTi-based shape memory alloys based on reversible martensitic phase transition have become a good choice of thermal management materials for microelectronic devices by virtue of their much higher thermal conductivity and FOM than those of conventional solid-solid phase transition materials , , , .

Why do NiTi alloys need a phase change?

This necessitates the utilization of phase change materials to facilitate the storage of thermal energy within this restricted temperature window. We know that the phase change temperature of NiTi alloys is sensitive to the variation of Ni/Ti ratio .