Company Filing History:
2 out of 385 
1 out of 3 Years Active: 2020-2025
Title: Innovations of Hongwei Ma in Shape Memory Alloys and Lignin Depolymerization
Introduction
Hongwei Ma is a prominent inventor based in Guangzhou, China. He has made significant contributions to the fields of shape memory alloys and additive manufacturing. With a total of 2 patents, his work showcases innovative approaches to material science and environmental sustainability.
Latest Patents
Hongwei Ma's latest patents include a NiTiHf high temperature shape memory alloy with a two-way shape memory effect and a 4D printing method and application thereof. This invention focuses on the technical field of shape memory alloys and additive manufacturing. It discloses a method that includes alloy powder processing, model building, substrate preheating, and 4D printing forming. The design concept aims to reduce thermal gradients while promoting environmentally friendly clean production. The method utilizes substrate preheating combined with low laser power and low scanning speed laser powder bed fusion technology. This approach improves the formed alloy's lattice compatibility with the NiTi substrate, reducing residual stress and ensuring high density, excellent tensile mechanical properties, and a two-way shape memory effect.
Another notable patent is the method for preparing p-hydroxycinnamate using ionic liquid for catalytic lignin depolymerization. This invention outlines a process that begins with the preparation of a halogen metal-based ionic liquid. The ionic liquid is then used to catalyze the depolymerization of lignin, resulting in high value-added chemicals, with p-hydroxycinnamate as the main product. The method is characterized by its simple process, mild conditions, and high selectivity for the main product, achieving yields of 40-80 mg/g under optimal conditions.
Career Highlights
Hongwei Ma has worked with notable institutions such as South China University of Technology and Guangdong Huayi Plumbing Fittings Industry Co., Ltd. His experience in these organizations has contributed to his expertise in material science and innovation.
Collaborations
Some of his coworkers include Xuehui Li and Zhangmin Li, who have collaborated with him on various projects.
Conclusion
Hongwei Ma's innovative work in shape memory alloys and lignin depolymerization highlights his commitment to advancing technology while considering environmental impacts. His contributions are paving the way for future developments in these fields.