---
publication_id: "OT-2026-000000872"
title: "Liquid cold welding methods and apparatus"
published_at: "2026-09-15T19:03:31.410299Z"
canonical_url: "https://opentechnical.org/p/OT-2026-000000872"
categories:
  - "manufacturing-assembly-equipment/joining-and-welding"
keywords:
  - "b23k28/006"
  - "c25d17/04"
  - "c25d17/06"
  - "c25d5/02"
  - "c25d5/022"
  - "c25d5/34"
---

# Liquid cold welding methods and apparatus

## Abstract

The application discloses a method of liquid cold welding (LCW) including: (a) engaging two or more porous conductive substrate layers between perforated non-conductive frames so that the substrate layers contact one another; (b) immersing the substrate layers in an electrolyte solution; and (c) applying electric current and/or voltage and/or electric power to the electrolyte solution. Apparatus suitable for performance of some embodiments of the method are also disclosed.