# Materials & Chemical Engineering

- Properties of matter and its applications. Metal Production, Fabrication, Distillation, Corrosion
 Meta Thread / Thread Starter Last Post Replies Views Views: 4,780 Announcement: Follow us on social media and spread the word about PF! Jan16-12 Pinned: Dangerous/Illegal Activities Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts... Jul31-07 05:01 PM chemisttree 0 31,368 Hi, Need some advice. We´re implementing a new Boiler System in our Plant. I´m trying to calculate the Net... Oct21-11 03:24 PM dtaftm 0 1,545 Hello everybody! I am working on bubble formation issue in electroosmotic pumps. Those bubble are formed by water... Oct20-11 06:27 AM Astronuc 8 3,041 As part of an assignment I have to redisign a product using an eco-material. I choose phone covers. From the... Oct15-11 08:46 PM enigma 1 2,783 Wikipedia states that highest available voltage of supercapacitors available for now is 5V. What kind of electrolytes... Oct15-11 04:10 PM Stanley514 0 2,540 Hi , Is it possible to strengthen aluminium with interstitial strengthening by carbon?I couldn't find any aluminium... Oct15-11 07:43 AM mikegem 5 5,681 Deformation-Mechanism Maps, The Plasticity and Creep of Metals and Ceramics, by Harold J Frost, Dartmouth College,... Oct15-11 05:56 AM Astronuc 2 3,286 Hi guys, i have been searching for ages to get figures for the proof or yield strength of EN1A steel, which is now... Oct14-11 08:39 AM vinothm14 4 12,315 Derive the fundamental equations of thermodynamics for an open system containing a onecomponent fluid in terms of the... Oct13-11 10:08 PM Mapes 1 2,035 Background info: This is for a trebuchet I plan on building. Obviously lighter is better especially for the throwing... Oct12-11 12:11 PM RocketSci5KN 7 6,117 Hello all, Thanks for potentially allowing me to waste your time with a simple question. I am designing a... Oct12-11 12:05 PM RocketSci5KN 3 3,289 Hello and thanks in advance for any help given. I have attached a drawing of sorts (please excuse the novice attempt)... Oct12-11 04:56 AM pantaz 1 5,566 Let's say I have a maxwell body, with a behavior of exponential decay in stress relaxation test. Let's say that that a... Oct12-11 12:29 AM sarkamato 0 1,331 Hi, I am a biomechanist looking into Achilles tendon injuries. I was at a conference the other day and they were... Oct11-11 05:08 PM trigirl 2 2,027 Hi, In our chemical company, the pipe spec for check valves prescribes stellited material for disc and seat. Now,... Oct11-11 10:09 AM Q_Goest 1 1,807 Hi, I have an annular disc that looks like the following: ... Oct10-11 08:54 AM Rafa 2 1,931 can you simply extract the elasticity from ultrasound medical images? I don't know ultrasound very much but I just... Oct10-11 08:44 AM Rafa 1 1,622 I sell a machine that cleans oil coolers and heat exchangers with oil. I now want to put 10%-20% muriatic/water in it... Oct9-11 10:09 PM Dbrickner 1 1,432 Hi guys, i'm currently doing an assignment which seems to be beyond my knowledge and would like to ask for some helps.... Oct9-11 10:07 PM Dbrickner 1 2,203 I would like your expert opinion regarding my hypothesis on the Mechanism for formation of Carbides in Upper and lower... Oct8-11 03:46 PM ovais.abowath 0 1,379 I require knowledge of rate law of emulsion polymerisation . Any standard reaction's rate law would suffice . Oct8-11 03:43 PM ovais.abowath 0 1,532 Hi, I'm researching a potential masters project involving incorporating piezoelectric crystals into a ceramic so... Oct8-11 04:27 AM lostminty 7 2,444 The diffusion of Ni in FCC Fe. There is 0.3 atoms % of Ni in a solid solution in FCC Fe @ point x. Point y is 1 mm... Oct7-11 12:39 PM alevis 0 1,551 Hi to all, I'm in this problem: I've got to prepare a solution of Ca(OH)2 with pH=13.2 . On Perry I read that the... Oct7-11 01:59 AM Borek 7 3,058 I read an article a week or so ago talking about using a semiconductor to disrupt a magnetic field. Generally a... Oct5-11 10:26 PM nution 0 1,442 I have the answer to this question but I'm finding it hard making sense of it... Q5) Dervive a relationship... Oct5-11 12:36 PM mcdonkdik 2 1,954 Its been a while since I took thermo. I was looking through my notes regarding fugacity at chemical equilibrium. There... Oct5-11 06:06 AM danago 1 2,259 Hi everyone, I'm trying to solve a problem concerning steady state and dynamic models of chemical reactor. I... Oct3-11 06:15 PM koala 0 1,239 As I understand it, carbon nanotube (CNT) exhibits quantised conductance (2e^2/h) because the mean free path length... Oct1-11 10:09 AM Husina 0 1,266 Hello All, I'm hoping someone can assist me in locating a stress amplitude vs. cycles curve (S N curve) for a... Oct1-11 05:24 AM Astronuc 1 3,369 Hello everybody, i have the following question. How can i determine the natural frequency of plexiglass or any other... Sep29-11 07:02 PM satrapes 0 2,856 Hi, So the other day we performed the Jominy quench test on 4 different steel samples. We followed the standard... Sep29-11 06:05 PM lou_skywalker 0 1,879 Hello all, I am conducting some experiments in which the samples are to be produced via hot pressing. However, I... Sep27-11 11:33 AM uby 0 1,224 I have questions regarding Chemical Engineering, which I am considering as a major at UC San Diego. I am good at math... Sep26-11 01:31 AM Cuauhtemoc 4 3,226 Hello, I have somewhat of a difficult question. First of all I have to say I am not an engineer. I need help in... Sep25-11 06:24 PM chemisttree 1 1,510 Hello, I am new here and I joined because I was wondering if I could find any help concerning finding heat from... Sep25-11 02:55 PM Physics quest 0 1,578 Hi, I want to try and make some steel alloy in an induction furnace. I have gone through youtube, Engineering... Sep25-11 09:54 AM Astronuc 1 2,108 Is there a material to convert kinetic energy to electricity? I had a great idea through a dream.. as I often do. The... Sep24-11 10:12 AM GuyPaterson 0 1,177 Could somebody explain how pseudocapacitors store energy? In other explanations I found such exression as fast... Sep21-11 07:12 PM Stanley514 0 1,620 Please let me know the significance of using P80 and F80 in the Bond's law. Sep20-11 11:00 PM himanshu07 0 2,204 Hi! Iam doing metal sheet forming simulations and I want to find a material for AA6082 and I wanted to use a power law... Sep20-11 03:46 PM Astronuc 1 2,045