Kristen Apostol
Mechanical Engineer at Aperia Technologies- Claim this Profile
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Bio
Credentials
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Engineer In Training
NATIONAL COUNCIL OF EXAMINERS FOR ENGINEERING AND SURVEYINGOct, 2022- Nov, 2024 -
FE Exam
NCEESSep, 2022- Nov, 2024
Experience
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Aperia Technologies
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United States
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Mechanical Or Industrial Engineering
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1 - 100 Employee
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Mechanical Engineer
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Dec 2022 - Present
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Lancaster University
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United Kingdom
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Higher Education
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700 & Above Employee
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Master's Project: Adaptive Surgical Robotics
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Oct 2020 - Jun 2021
Master's Group Project: Design and build an adaptive robot capable of skin lesion removal surgery. This required an interdisciplinary collaboration to resolve the requirements of significant subsystems: vision system, mechanical design, electronics, end effector design, and adaptive programming. • Finalized the surgical robot system by analyzing the functional requirements gathered from consultations with the stakeholders and using FMEA to evaluate each subsystem• Conceptualized the mechanical design for the cartesian robot by investigating the technical requirements for CNC machines and using morphological analysis to determine which components to incorporate• Built the cartesian robot on time by managing the procurement process, creating a detailed CAD design in SolidWorks, conducting structural analysis, and implementing GD&T to define the parts for CNC milling• Hand-calculated the torque requirements for each linear actuator to select motors for the 3-axis movement• Optimized workflow during strict COVID restrictions using project management tools (Gantt chart and risk registers) to determine critically linked tasks and mitigate issues Show less
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Wind Turbine Blade FEA
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Nov 2020 - Nov 2020
• Observed the deformation and stress on a wind turbine blade when deactivated due to high wind speed by conducting a Finite Element Analysis (Ansys) on the blade’s shell model• Verified FEA results using hand-calculated structural analysis; the deformations and stresses were of the same order of magnitude, but discrepancies occurred due to simplified assumptions in the calculations.• Demonstrated reliability by conducting a mesh convergence study and a mesh quality analysis
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Arden Dies Ltd
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United Kingdom
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Packaging & Containers
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1 - 100 Employee
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Student Intern
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Feb 2021 - Mar 2021
Industry-linked experience with Lancaster University • Composed the materials selection criteria by analyzing the requirements identified from meetings with the operations manager and researching the technical requirements of dies used in embossing cartons • Recommended the most suitable material by implementing the decision matrix method to materials that can be CNC machined to produce embossing force plates Industry-linked experience with Lancaster University • Composed the materials selection criteria by analyzing the requirements identified from meetings with the operations manager and researching the technical requirements of dies used in embossing cartons • Recommended the most suitable material by implementing the decision matrix method to materials that can be CNC machined to produce embossing force plates
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Lancaster University
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United Kingdom
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Higher Education
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700 & Above Employee
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Third Year Dissertation: Enzymatic Mineralization of WPI Hydrogels Using ALP
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Oct 2019 - Mar 2020
The fabrication of the whey protein isolate (WPI) hydrogels requires thermal gelation which denatures the mineralization facilitating enzymes (Alkaline Phosphatase aka ALP), therefore, alternative methods of incorporating ALP after hydrogel fabrication was investigated.Created three alternative methods of incorporating ALP into WPI hydrogels1) ALP diffusion to non-lyophilized hydrogels2) ALP diffusion to lyophilized hydrogels3) Incorporating thermal resistant Halloysite-ALP into the WPI mixture• The mineralized composite containing WPI and phloroglucinol (PG) had a young's modulus 2.5 times higher than the non-mineralized control (40%w/v WPI) suggesting that PG and mineralization improved their mechanical strength.• Identified that incorporating PG showcased potential in controlling the rate of biomaterial degradation Show less
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Student Ambassador
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Sep 2019 - Oct 2019
• Conducted guided tours around the engineering department• Addressed inquiries from prospective students and parents during outreach events
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Engineering and Physical Sciences Research Council (EPSRC)
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Insurance
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1 - 100 Employee
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Research Internship
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Aug 2019 - Sep 2019
• Funded by the EPSRC to undergo doctoral training in biomaterials engineering • • Fabricated composite biomaterials for use in bone and cartilage tissue engineering via thermal gelation • Conducted a compression test on the composite biomaterial using the Instron 3345 test machine and ascertained their young’s modulus, which was 12 times higher than their pure biomaterial form • Evaluated the chemical interactions and degradation rate using FTIR and UV spectrophotometers • Funded by the EPSRC to undergo doctoral training in biomaterials engineering • • Fabricated composite biomaterials for use in bone and cartilage tissue engineering via thermal gelation • Conducted a compression test on the composite biomaterial using the Instron 3345 test machine and ascertained their young’s modulus, which was 12 times higher than their pure biomaterial form • Evaluated the chemical interactions and degradation rate using FTIR and UV spectrophotometers
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Davis Schottlander & Davis Ltd
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Lancaster, England, United Kingdom
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Research Intern
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Jul 2019 - Jul 2019
• Participated in a pilot study about improving denture adhesion by using additive manufacturing to modify the surface topography • Developed a method that can produce an acrylic cast from a 3D printed model with fine surface textures. Achieved through experimenting with different casting materials and altering the traditional dental procedure • Participated in a pilot study about improving denture adhesion by using additive manufacturing to modify the surface topography • Developed a method that can produce an acrylic cast from a 3D printed model with fine surface textures. Achieved through experimenting with different casting materials and altering the traditional dental procedure
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Education
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Lancaster University
Master of Engineering - MEng, Mechanical Engineering -
Lancaster University
First Year, Biomedical Sciences, General -
Aylesford School and Sixth Form College