In this review the authors provide a comprehensive insight into additive manufacturing process mechanics which explore how thermodynamics give rise to characteristic microstructure and property. Discussion is then given over to how solidification microstructure is modified using processing conditions and utilisation of traditional casting methods which give rise to grain refinement and some cases ‘texture by design’.

The review then makes observation and provides analysis on the typical material types reported in powder bed fusion and directed energy deposition. These are organised to efficiently highlight the key observations in terms of alloy creation and adaption with a specific focus on the relevant additive manufacturing technique. The emergent alloy families are also explored alongside the rapidly expanding topic of functionally graded alloys produced by the breadth of additive manufacturing techniques.

The review concludes with a detailed critique of the state-of-the-art and an examination of where opportunities exist to advance the interdependency between process and emergent alloys exhibiting superior properties. The authors propose several areas worthy of consideration and attempt to provide inspiration for our community in the pursuit of new alloys and accompanying process designs for additive manufacturing.

在这篇综述中，作者对增材制造工艺力学提供了全面的见解，探讨了热力学如何产生特征微观结构和性能。然后讨论如何使用加工条件和利用传统铸造方法来改变凝固微观结构，这些方法会导致晶粒细化和某些情况下“设计纹理”。

然后，该评论对粉末床熔融和定向能量沉积中报告的典型材料类型进行了观察和分析。这些组织旨在有效地突出合金创建和适应方面的关键观察结果，并特别关注相关的增材制造技术。随着增材制造技术的广度生产的功能梯度合金的快速扩展主题，新兴合金系列也得到了探索。

审查结束时详细批评了最先进的技术，并检查了在哪些地方存在促进工艺与表现出优异性能的新兴合金之间的相互依赖性的机会。作者提出了几个值得考虑的领域，并试图为我们社区寻求新合金和增材制造的相关工艺设计提供灵感。