The effect of chemical vapor infiltration process parameters on flexural strength of porous α α‐SiC: a numerical model

JJ Marziale, J Sun, EA Walker, Y Chen… - Journal of the …, 2024 - Wiley Online Library
The flexural strength variability of α α‐SiC SiC based ceramics at elevated temperatures
creates the need for an Integrated Computational Materials Engineering (ICME) framework …

A Level Set Model for Structured Mesh Representation of Fibrous Preforms used in Composites Manufacturing

V Ramanuj, R Sankaran, D Liliedahl… - Applied Composite …, 2024 - Springer
A model for implicit representation of fibrous and woven preforms used for composites
manufacturing is described. The method is based on a level set function defined on a …

Effects of temperature inversion on densification in chemical vapor infiltration

V Ramanuj, M Li, W Ge, R Sankaran… - Journal of the …, 2024 - Wiley Online Library
In a classical chemical vapor infiltration (CVI) process, the competing effects of chemical
kinetics and reagent gas transport lead to non‐uniform depositions such that outer layers of …

Macrovoid resolved simulations of transport through HPRO relevant membrane geometries

V Ramanuj, R Sankaran, L Malenica, K Cole… - Journal of Membrane …, 2022 - Elsevier
Modeling the transport properties such as diffusivity and permeability of high pressure
reverse osmosis (HPRO) membranes is critical for the selection and manufacture of …

Modeling Microwave-Enhanced Chemical Vapor Infiltration Process for Preventing Premature Pore Closure

W Ge, V Ramanuj, M Li… - ASME Journal of …, 2025 - asmedigitalcollection.asme.org
The chemical vapor infiltration (CVI) process involves infiltrating a porous preform with
reacting gases that undergo chemical transformation at high temperatures to deposit the …

Modeling the effects of microwave heating on densification in chemical vapor infiltration

V Ramanuj, W Ge, M Li, R Sankaran, Y She - 2023 - osti.gov
Microwave heating has great potential to accelerate the synthesis of ceramic matrix
composites (CMCs) by a process called Chemical Vapor Infiltration (CVI). In CVI, reactive …