Ken C Liu

Title: Ken C Liu: Innovator in Fracture Testing Apparatus

Introduction

Ken C Liu is a notable inventor based in Oak Ridge, TN (US). He has made significant contributions to the field of materials testing, particularly in the development of apparatuses for fracture testing. With a total of 2 patents, Liu's work focuses on enhancing the understanding of material behavior under various stress conditions.

Latest Patents

Liu's latest patents include an "Apparatus for pre-stress-straining rod-type specimens in tension for in-situ passive fracture testing." This innovative stress-strain testing apparatus imposes a controlled stress-strain on a specimen while it is situated in a specific environment. The design features end caps that secure the specimen, along with a strain gage to measure the stress-strain during testing. The apparatus is capable of adjusting the stress-strain through a mechanism that can be extended or retracted, allowing for precise control during experiments, especially in high-pressure hydrogen environments.

Another significant patent is the "Apparatuses for prestressing rod-type specimens in torsion for in-situ passive fracture toughness testing in an extremely high-pressure environment of hydrogen." This invention includes a specialized fixture for prestressing rod-type specimens, which allows for the application of torsional forces to enhance testing accuracy. The design incorporates a tube and end cap, with the end cap being rotatable to create the necessary torsional force.

Career Highlights

Ken C Liu is currently employed at UT-Battelle, Inc., where he continues to innovate and develop advanced testing apparatuses. His work is crucial in the field of materials science, particularly in understanding how materials behave under extreme conditions.

Collaborations

Liu has collaborated with notable colleagues such as Zhili Feng and Jy-An Wang, contributing to the advancement of research in fracture testing methodologies.

Conclusion

Ken C Liu's contributions to the field of materials testing through his innovative patents and collaborations highlight his role as a significant inventor. His work continues to influence the understanding of material behavior under stress, paving the way for advancements in various engineering applications.