Dimensionless numbers

Brinell scale

The Brinell scale /brəˈnɛl/ characterizes the indentation hardness of materials through the scale of penetration of an indenter, loaded on a material test-piece. It is one of several definitions of hardness in materials science. (Wikipedia).

Brinell scale
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My #MegaFavNumber - The Bremner-Macleod Numbers

Much better video here: https://youtu.be/Ct3lCfgJV_A

From playlist MegaFavNumbers

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Brinell Hardness Test

Basic principle and practical procedure of the Brinell hardness test - Testing machine - Test piece - Spherical indenter - Basic principle - Definition of the hardness value - Practical procedure Responsible for this video: Prof. Dr.-Ing. Rainer Schwab, Hochschule Karlsruhe (K

From playlist TAMU: Introduction to Materials Science & Engineering | CosmoLearning.org

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Ex: Determine the Value of a Number on a Logarithmic Scale (Log Form)

This video explains how to determine the value of several numbers on a logarithmic scale scaled in logarithmic form. http://mathispower4u.com

From playlist Using the Definition of a Logarithm

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Multimeter review / buyers guide / comparison: Brymen TBM867 vs Fluke 87-V

Consider this meter if you can't find the Brymen TBM867 Greenlee DM-860-C Industrial 500000-Count Digital Multi-Meter, Includes Certificate of Calibration: http://astore.amazon.com/m0711-20/detail/B0010B8IDY The Brymen can also be found at one of my viewers' ebay store: http://stores.ebay

From playlist Multimeter reviews, buyers guide and comparisons.

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Crying Wolf | MythBusters

With his handcrafted shotgun spear in hand, Tory sees whether the wolf-attack scene from The Grey (a fan favorite) has any teeth. | For more MythBusters, visit http://dsc.discovery.com/tv-shows/mythbusters/#mkcpgn=ytdsc1 Subscribe to Discovery! | http://www.youtube.com/subscription_center

From playlist MythBusters

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Review: Brymen TBM251 / BM251 Multimeter with PC Data Logging

A review of the Brymen TBM251 6000 count DMM with PC data logging. This is the same as the Greenlee DM-200A: http://astore.amazon.com/m0711-20/detail/B003JZB4EE Franky has the BM257: http://mjlorton.com/forum/index.php?topic=166.0 Tester.co.uk have the Metrel MD9040: http://www.tester.co.

From playlist Multimeter reviews, buyers guide and comparisons.

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mechanical testing of ceramics/plastics

0:00 testing ceramics via bend testing and modulus of rupture 6:00 effect of residual porosity on properties and sintering of ceramics 8:22 testing polymers 11:00 viscoelastic materials and stress relaxation 14:54 glassy transition curve 21:15 hardness

From playlist Introduction to Materials Science & Engineering Fall 2019

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How Iron Shaped The Modern World | Men Of Iron | Spark

In the 19th century, a new breed of hero appeared. In an explosion of creative energy, a group of remarkable men emerged who were to invent the modern world, tackling the raw forces of nature with courage, brains, and panache. Men of Iron brings the extraordinary achievements of these grea

From playlist Spark Engineering Playlist

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Day 22 Weibull modulus and Probabilistic design

0:00 reading quiz 5:43 polymer creep 6:42 hardness 9:24 variability in data demo 15:00 average values vs standard deviation vs 6sigma 19:54 safety factor and design factor vs probabilistic design 21:40 Weibull modulus 25:25 steps for weibull analysis 30:45 using Weibull analysis to design

From playlist Introduction to Materials Science and Engineering Fall 2017

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Multimeter Review / DMM Review / buyers guide / tutorial

A list of my multimeters can be purchased here: http://astore.amazon.com/m0711-20?_encoding=UTF8&node=5 In this video I do a review of several digital multimeters. I compare features and functionality. I explain safety features, number of digits, display count, accuracy and resolution. Th

From playlist Multimeter reviews, buyers guide and comparisons.

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DIY Linear actuator Solar Tracker FRESNEL LENS STAND DOOMSDAY PREPEPRS BUILD

DIY Linear Actuator from a drill hack To track the sun with a Fresnel Lens. This is a detailed version PART 1. There will be a condensed version of the basics. THIS MAKES A HELIOSTAT. DRILL HACK: http://www.youtube.com/watch?v=e0OPiMKVUh8 CONCENTRATED SECONDARY LENS: http://www.youtube.c

From playlist Woodworking like a Boss

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Precipitation hardening and electrical conductivity

0:00 review of CCT vs TTT diagrams for continuous cooling vs instantaneous cooling 1:07 trends in hardness, strength, ductility etc as a function of carbon weight percent in steels 10:01 what makes martensite so hard? What is tempered martensite? 13:42 tempering to modify steel properties

From playlist Introduction to Materials Science and Engineering Fall 2018

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Brunel's Top 5 Engineering Feats | The B1M

Isambard Kingdom Brunel, history’s most famous engineer, designed some of the world’s most innovative and daring structures. Here we take a look at his five most impressive engineering feats. For more videos by The B1M subscribe now - http://ow.ly/GxW7y Read the full story on this video,

From playlist Countdowns! | The B1M

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NOTACON 9: Minute Man: All I Need is 60 Seconds (EN) | enh. audio

Speaker: Rick Deacon This talk is about information security. Tons of it. Each topic we discuss is getting *around* 30-60 seconds, then we're moving on to the next. We're gunna hit it hard and we're going to hit it fast. Touching(and showing) what matters most about varying topics that p

From playlist Notacon 9

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Review: Pt 2 Brymen TBM251 / BM251 PC Data Logging Software

A review of the Brymen TBM251 PC data logging software. This is the same as the Greenlee DM-200A: http://astore.amazon.com/m0711-20/detail/B003JZB4EE Franky has the BM257: http://mjlorton.com/forum/index.php?topic=166.0 Tester.co.uk have the Metrel MD9040: http://www.tester.co.uk/metrel-m

From playlist Multimeter reviews, buyers guide and comparisons.

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Brymen TBM867 Closer look in HD

A list of my multimeters can be purchased here: http://astore.amazon.com/m0711-20?_encoding=UTF8&node=5 This is a closer look at the Brymen TBM867 / BM867 50 000 / 500 000 count Digital Multimeter. I take a good close look at the build quality both inside and out. Best viewed at 1080

From playlist Multimeter reviews, buyers guide and comparisons.

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Slide Rule Roundup -- Non-Duplex Scale Sets

A quick look at the common layouts of non-duplex slide rules: Mannheim, Rietz, Darmstadt, and a few others for good measure. Notes: - I accidentally said "Rietz" in one place where I should have said "Darmstadt."

From playlist All Slide Rule Videos

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Two operations with one slide using folded scales

This video gives a technique for computing any sequence of two multiplications/divisions, in any order, on a slide rule with a full set of folded scales (you need C/D/CI/CF/DF/CIF). This increases the accuracy of the result versus using the naive method of one setting per operation. I'm n

From playlist All Slide Rule Videos

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When resolution really does count! - Brymen TBM867 / BM867 Multimeter

A list of my multimeters can be purchased here: http://astore.amazon.com/m0711-20?_encoding=UTF8&node=5 This is a quick demonstration on how a high resolution / high count multimeter can be useful. TBM867 / BM867 Multimeter 50 000 / 500 000 count digital multimeter Solar powered cloc

From playlist Multimeter testing / issues

Related pages

Ksi (unit) | Rockwell scale | Diameter