/r/materials
Reddit for Materials Science and Engineering topics
Materials science - an interdisciplinary field applying the properties of matter to various areas of science and engineering. This scientific field investigates the relationship between the structure of materials at atomic or molecular scales and their macroscopic properties. It incorporates elements of applied physics and chemistry. With significant media attention focused on nanoscience and nanotechnology in recent years, materials science has been propelled to the forefront at many universities. It is also an important part of forensic engineering and failure analysis. Materials science also deals with fundamental properties and characteristics of materials.
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/r/materials
I have a child who is interested in materials science or materials science engineering. Took honors math the first two years of high school and managed to A’s but needed extra help, and it was a struggle. Dropped down into college prep math this year for pre-calc and is so much happier, easily understands the material, and does not need any extra help. If honors math was a struggle, would engineering be a struggle?
I'm looking for a material that lets water through but doesn't get soaked in the process. I found some aquarium filter foam that I liked becuase it lets the water through easily, and there is a lot of pores, however it is quite prickly. I was wondering if there is a similar foam that is a bit softer to the touch?
I am trying to calibrate my TGA with metal alloy samples supplied by the manufacturer.
The mechanism is genius: you place a magnet on top of the heating cell and start a temperature scan. At the Curie point of the alloy, the metal loses its magnetic properties, so it is no longer attracted by the magnet and the weight registered by the TGA increases.
This should allow a reliable thermal calibration of the TGA. Simple enough right? WRONG. It is not working as intended. The Curie point is changing every time I perform a scan, even consecutively, and I don't know why.
Does any of you have previous experience on this matter and has suggestions on what I might be doing wrong? Is the Curie transition reversible? Is it possible that the samples might be single use? I am working under nitrogen flow, so oxidation should not be an issue...
As the title suggests I’m wondering if there’s a viable options for building exterior doors. I’ve seen panels with foam sandwiched but I’d like to consider something under the styles and rails as well. In some door designs there’s more surface area with in styles and rails than the panels. I’d like the material to be structural unlike foam so I could do joint work. If this doesn’t exist please shatter this dream sooner than later. Thanks
Hi, I did my masters in Material Science with focus on metallic composites and process engineering, I have 2+ years of exp as process engg in pharma manufacturing. I'm interested in getting into process engg roles in the semiconductor industry. I am looking for any suggestions or tips in getting started. (looking for sources, skills to learn, sources to build connections etc.,)
Requesting help from anyone with similar instances, transitioning from a different manufacturing field to semiconductors. Thank you!
I’d appreciate it if some people in the subreddit would be able to complete my simple questionnaire for my project, thank you https://forms.gle/m4QYsj3FVjKXuAdF6
Hey guys. I am a current junior in undergrad looking for internships and I am having a bit of trouble finding an internship for the summer. I have mainly been applying for materials-related roles and I was wondering of I should be applying for other positions. Essentially, what role could a MSE major qualify for? Any insight would be great. Thanks!
I am offered a thesis on the topic in the title. Anyone has the experience on this? Would love to know your insights. Thanks.
Hello maybe this question sounds dumb, but i Switches majors to Material Science and iam no doing my Bachelor in it and plan to go further after that. Now my "Problem" is that every Material Science Prof i see is either a Chemist or a Physisist. And know i dont know, if i with a education specific in Material Science could compete later with that if i should go the research path. The Thing is i truly enjoy this Major with all his aspects even took additional courses related to Polymers just out of fun. Is higher research only for those specific guys? I would be realy interested in other opinions.
Can someone suggest me any app/program/website or something to create these kind of 3d style images
I work in medical device manufacturing. First job as a process development engineer.
We use a soft, 35-durometer Pebax material in one of our products.
Last step in the manufacturing process is annealing, to relieve stresses in the thermoplastic.
However, after annealing, some parts are sent back to earlier in the process to be reworked. This rework involves applying heat to the thermoplastic to melt and reform it.
These reworked parts DO NOT go through annealing again.
What's the potential effect of applying heat to 35D Pebax after it's already been annealed?
This thermoplastic is formed into a hollow, thin-walled, short (~0.5 inches long) tube type of shape. The only specification we have to meet is the inner and outer diameters. Curious how relieving and potentially reintroducing internal stresses might affect dimensioning????
Hello everyone,
Currently investigating thermodynamic properties of Fe- Citric Acid- H2O and Fe - PO4 - H2O systems. The latter was easier to found since its more related to innorganic chemistry, but i'm stuck on the first system. I'm particularly interested in entalphy of formation, free energy of possible reactions, and possible Eh-pH diagrams related to these systems. I'm exploring my software options that can help me identify these properties (at least some of them). Currently on a budget so known programs like HSC or FactSage is out of option for me. Are there any software i could use?
For many years (until the 80s at least), large water wells (10'' wide) with PVC casing couldn't really be deeper than 300 feet without worry about collapse. Now, there are reports of California well drillers using very large PVC casing (18'') at depths of 600 or 800 feet. What improvements to PVC could have allowed for such a thing? Are those improvements cost effective?
I'm doing a research paper on material analysis and I'm susposed to research different polymers/elastomers and find a good material to make a baking spatula. What are some unique/uncommon materials I could use for my paper?
Hi everyone, sorry if this post is dumb, but I'm in a bit of a weird spot as someone who is trying to transition into the semiconductor field. I recently graduated from university with a BA Chemistry and BS Neuroscience (original plan was to go for a PhD Neuro but realized research isn't it for me) and am working in a semiconductor technician role in an effort to pivot out chemistry jobs and into the semiconductor industry. I'm now thinking of going for a masters in materials science because my company will pay for it, and I feel that it will help me advance in this industry.
Given my regrettable decision in switching my BS to a BA Chem, I realize I'll be needing to take a bunch of extra classes if I'm to even apply for a masters in MSE (diff eq, thermodynamics, physics reqs). I'm also not very confident in my physics/higher level math capabilities but am willing to give it my all.
Should I go for the masters, or is working in the semiconductor industry with my BA Chem and eventually becoming an engineer with 2+ years experience a better option? I'm honestly just very unsure with my current situation and am considering leaving engineering-related jobs entirely if my career progression is limited by this.
I know that, for substitution, solubility occurs if the Hume-Rothery rules are followed, while for interstitials it is required that the atoms are small enough to fit in the spaces in the lattice with minimal deformation. Most commonly, these are N, O, H, and C. But can these elements form substitutional solid solutions, or will they always prefer to occupy interstitial sites?
I have an extra year to complete my Chemistry degree at no extra cost (3 more years left). I want to do a material science master's. What undergrad classes should I take to be competitive for master's degree admissions?
We take up to calc 3 and are ACS accredited. I was thinking minor in statistics? More math = good?
Hi, I have a question for you all. Is it safe to put a PVC figurine on top of a surface that's gonna be between 40-65°C or is it gonna be a fire hazard?
Also, even if it is safe, will it affect the figurine in any short of way? Thank you all in advance!