Table 3 A summary of the improved properties of AISI 304L and 316L stainless steel fabricated by the LMD process.

From: Cost-effective laser metal deposition of 304L stainless steel for repairing and enhancing 316L and mild steel engineering components

Ref.

Process Parameters

Target Properties

Substrate Material

Deposited Material

5

Laser power, scan speed, powder feed rate

Corrosion resistance improved

304L

304L

6

Laser power, scan speed, powder feed rate

Yield/tensile strength enhanced

304L

304L

7

Laser power, scan speed

Hardness, tensile properties improved

304L

304L

12

Laser power, scan speed, powder composition

Microstructure, mechanical properties

316L

316L

17

Laser power, scan speed, powder feed rate

Defect-free layers, strength improved

304

Martensitic

21

Laser power, thermal conditions

Hardness, tensile properties varied

316L

316L (wire-fed)