Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Kaka Ma"'
Publikováno v:
Powders, Vol 3, Iss 1, Pp 28-43 (2024)
The low deposition efficiency in directed energy deposition (DED) has prompted the reuse of powders that do not fuse to the builds to make additive manufacturing more sustainable. It is unknown, however, how the properties of the powder and deposited
Externí odkaz:
https://doaj.org/article/b5672bf096644a378a578fd1206645e6
Publikováno v:
Materials & Design, Vol 194, Iss , Pp 108847- (2020)
Additive manufacturing of Al alloys presents an opportunity to produce complex parts that leverage their high specific strength. This paper aims to study the effect of processing parameters on the fabrication of single tracks and thin walls using AlS
Externí odkaz:
https://doaj.org/article/5712c72457d047e09ec5832d3d913a2d
Autor:
Alexander D. Preston, Kaka Ma
Publikováno v:
Journal of Materials Science. 56:17278-17295
While conventional Gibson–Ashby models provide a general insight into how elastic modulus and yield strength degrade with increasing overall porosity in materials, very limited work has investigated the effects of pore size and distribution on the
Autor:
Alexander D. Preston, Kaka Ma
Publikováno v:
MRS Advances. 6:482-488
Spark plasma sintering (SPS) utilizes joule heating to achieve rapid heating to densify a powder compact. Thermal gradients during SPS lead to microstructural and property gradients in the sintered parts. To elucidate the effect of starting powder mo
Publikováno v:
Ceramics International. 47:16614-16631
Mayenite electride has attracted increasing research interests because of its unique electronic properties. The thermionic emission behavior of the mayenite electride is relatively unknown. Previous studies revealed that mayenite electride exhibited
Autor:
Jason M. Meyers, Andrew Morin, Jeffrey Schindler, Brian Stunkel, Doulgas Fletcher, Liam Fisher, Kaka Ma
Publikováno v:
AIAA AVIATION 2022 Forum.
Autor:
Kaka Ma, Alexander D. Preston, Justin B. Sambur, Rachelle Austin, Zach N. Nilsson, Rebecca C. Miller, R. Colby Evans
Publikováno v:
ACS Applied Nano Materials. 4:3750-3759
The influence of nanoparticle surface facets on electrochromic properties remains largely unexplored in nanostructured “smart” materials. Here, we explore how surface facets influence the coloratio...
Publikováno v:
MRS Bulletin. 46:250-257
Precipitates have been utilized to strengthen various alloys since early last century. Nanostructured (NS) or ultrafine grain (UFG) structured alloys were extensively developed in recent decades, facing a common challenge of limited ductility. While
Autor:
Alexander David Preston, Kaka Ma
Publikováno v:
SSRN Electronic Journal.
Autor:
Alexander D. Preston, Kaka Ma
Publikováno v:
Journal of Materials Processing Technology. 310:117779