Method for producing an electrical power device by additive manufacturing techniques

A method comprising:

• providing an electrical power device produced by a process comprising:
• determining a target spatial distribution for a plurality of physical properties of the electrical power device, the physical properties being at least one of an electrical property and a mechanical property;
• forming a part of the electrical power device;
• selecting physical properties of at least one subsequent part of the electrical power device corresponding to the determined spatial distribution of the plurality of physical properties;
• and
• forming the at least one subsequent part using an additive manufacturing technique such that the at least one subsequent part is at least partially in contact with the part, wherein the at least one subsequent part includes an elastic relaxation part that is configured to transfer an externally applied stress into a plastic deformation of the elastic relaxation part;
• and
• using the electrical power device in at least one of an HVAC or HVDC apparatus.