How LC technology differs from other additive methods for high-temperature alloys

Controlled Heat Input and Minimal Distortion

Laser Cladding (LC) uses a focused laser source that offers precise energy control, resulting in lower thermal distortion compared to powder bed fusion or arc-based additive methods. This is especially beneficial for high-value alloys such as Hastelloy X and Stellite 6, where dimensional stability and low heat-affected zones are critical for long-term performance.

Repair-Oriented and Hybrid Manufacturing Capability

Unlike many additive manufacturing methods that focus solely on new part creation, LC excels in component repair and feature addition. It allows worn surfaces from equiaxed crystal casting or vacuum investment casting to be rebuilt accurately without full replacement. LC can be seamlessly paired with CNC machining for dimensional restoration and final finishing.

Metallurgical Bonding and Material Selection

LC provides strong metallurgical bonding between the substrate and deposited layers, ensuring excellent adhesion and fatigue resistance. It supports a wide range of high-temperature alloys such as Inconel 718, Hastelloy C-276, and Nimonic 90, making it adaptable across multiple industries.

Post-Processing Enhancement

LC-produced components benefit from post-treatment processes such as hot isostatic pressing (HIP) and heat treatment to eliminate porosity and achieve full mechanical densification. These processes help LC parts match or exceed the performance of traditionally forged or cast superalloy components.

Application-Specific Versus Mass Production

Other additive technologies are more suited for mass production of new components, while LC is optimized for high-value, low-volume, and repair-based manufacturing strategies. It is especially effective in aerospace and oil and gas industries where customization and component life extension are critical.