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The Walker group @ Carnegie Mellon has been solving problems involving rheological phenomena of complex fluids since 1997. We work closely with other groups at Carnegie Mellon, at other Universities, in National Labs and elsewhere to tackle problems in soft materials processing. We are always looking for talented and enthusiastic folks to join the group at all levels, so get in touch (lwalker [at] andrew.cmu.edu). Feel free to discover more about our current projects , meet the team, and check out our publications.
The Walker group @ Carnegie Mellon has been solving problems involving rheological phenomena of complex fluids since 1997. We work closely with other groups at Carnegie Mellon, at other Universities, in National Labs and elsewhere to tackle problems in soft materials processing. We are always looking for talented and enthusiastic folks to join the group at all levels, so get in touch (lwalker [at] andrew.cmu.edu). Feel free to discover more about our current projects , meet the team, and check out our publications.
Current openings in the group.
Current openings in the group.
Soft Material Processing:
Soft Material Processing:
Research in the Walker group tackles a series of specific issues in the broader problem of the processing of soft materials. Soft materials are those held together by weak ~O(kT) forces and usually present as fluid or gel-like. This includes biological systems, consumer products, food products, processing fluids, and pharmaceutical formulations; in fact, processing of most materials involves a fluid phase that must be fully understood to optimize a process and ensure success. Within this class of materials, the nm -> micron structures that control macroscopic behavior need to be controlled and manipulated. The weak forces that lead to these materials being soft are the same ones that allow for facile manipulation via external forces, meaning that these materials are processible; the structure can continually be altered and changed in response to a processing field or stimuli. The field of polymer processing has lead the way on using external fields to control structure and function; the expansion to include soft materials containing self-assembling molecules and colloidal particles is a frontier that will take materials science and engineering into its next era. There is no group of trained scientists more ready to tackle these problems than chemical engineers, especially those trained in colloid and polymer sciences.
Research in the Walker group tackles a series of specific issues in the broader problem of the processing of soft materials. Soft materials are those held together by weak ~O(kT) forces and usually present as fluid or gel-like. This includes biological systems, consumer products, food products, processing fluids, and pharmaceutical formulations; in fact, processing of most materials involves a fluid phase that must be fully understood to optimize a process and ensure success. Within this class of materials, the nm -> micron structures that control macroscopic behavior need to be controlled and manipulated. The weak forces that lead to these materials being soft are the same ones that allow for facile manipulation via external forces, meaning that these materials are processible; the structure can continually be altered and changed in response to a processing field or stimuli. The field of polymer processing has lead the way on using external fields to control structure and function; the expansion to include soft materials containing self-assembling molecules and colloidal particles is a frontier that will take materials science and engineering into its next era. There is no group of trained scientists more ready to tackle these problems than chemical engineers, especially those trained in colloid and polymer sciences.
Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh PA 15213
Shipping Address: Department of Chemical Engineering, Doherty Hall 1103, Carnegie Mellon University, Pittsburgh PA 15213
Lab/Office: Doherty Hall 3201 (Complex Fluids Engineering Lab)
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