14 Result(s)
within
Christopher Saldana
-
Article
Vision-based localization for cooperative robot-CNC hybrid manufacturing
Wire and arc additive manufacturing (WAAM) has shown promise in recent years for producing large-scale parts with higher deposition rates than other additive processes. WAAM is often combined with subtractive ...
-
Article
Effects of lead and lean in multi-axis directed energy deposition
The present study examines the effect of varying laser incidence angles on textural, microstructural, and geometric characteristics of directed energy deposition (DED) processed materials, providing a more com...
-
Article
Effects of weave path parameters on the geometry of wire arc additive manufactured features
The present work investigates the effect of process parameters on the geometry of wire arc additive manufactured parts. The geometric accuracy of features produced with a weaving strategy is compared to what c...
-
Article
Build plate conduction cooling for thermal management of wire arc additive manufactured components
Wire arc additive manufacturing (WAAM) allows for quick, large component manufacturing with fast deposition rates while leveraging readily available wire feedstock that is significantly cheaper than metal powd...
-
Article
An Investigation into the Definition and Qualification of Form of Lattice Structures
The lack of uniform qualification techniques for additively manufactured components throughout industry currently limits their application in high-risk environments. This stems from a shortage of proper tolera...
-
Article
The effect of WAAM process parameters on process conditions and production metrics in the fabrication of single-pass multi-layer wall artifacts
The present work seeks to understand the impact of varying dwell time and input deposition power on part quality and overall production time for wire arc additive manufacturing. In this work, multi-layer wall ...
-
Article
Voxel-based modeling of transient material removal in machining
In the present study, a novel framework is presented that models the transient interaction between cutting teeth of an arbitrary end mill geometry and a workpiece. In this framework, the workpiece geometry is ...
-
Article
Linking void and interphase evolution to electrochemistry in solid-state batteries using operando X-ray tomography
Despite progress in solid-state battery engineering, our understanding of the chemo-mechanical phenomena that govern electrochemical behaviour and stability at solid–solid interfaces remains limited compared t...
-
Article
A decision support methodology for integrated machining process and operation plans for sustainability and productivity assessment
This paper presents a systematic methodology to enable environmental sustainability and productivity performance assessment for integrated process and operation plans at the machine cell level of a manufacturi...
-
Article
Effect of textured surfaces created by modulation-assisted machining on the Stribeck curve and wear properties of steel-aluminum contact
Loss of machining efficiency, part repair, and replacement of mechanical components due to friction and wear is a recurring problem for performance industrial system applications. Recent studies on surface mod...
-
Article
Gradient microstructure and texture in wedge-based severe plastic burnishing of copper
In the present study, gradient microstructure and texture development in wedge-based severe plastic burnishing of oxygen-free high conductivity copper was investigated. Microstructural response and evolution o...
-
Chapter and Conference Paper
The Role of Calcium Hydroxide in the Elastic and Viscoelastic Response of Cementitious Materials: A Nanoindentation and SEM-EDS Study
Calcium hydroxide (CH) typically comprises 20–25 % of the volume of ordinary portland cement (OPC) paste. CH is generally considered as an elastic phase that restrains the viscoelastic responses of calcium sil...
-
Article
Incipient straining in severe plastic deformation methods
Knowledge of the plasticity associated with the incipient stage of chip formation is useful toward develo** an understanding of the deformation field underlying severe plastic deformation processes. The tran...
-
Chapter and Conference Paper
Material Information Model across Product Lifecycle for Sustainability Assessment
Material Information Model (MIM) is central to evaluating the impact of material properties on sustainability in the product life cycle. It is almost imperative that we need standardized distributed material i...
