Anodizing Aluminum

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:(Date not set) 2010
 
:(Date not set) 2010
 
;Comment
 
;Comment
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:Any and all members are invited to join in on this project. To participate, just let punkin know you're interested by posting on the member's mailing list, or by adding your name above. More information (including the exact date for the experiment, and what materials you should bring) will be posted in the new year.
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:This document is a very messy, poorly edited, and unreliable work-in-progress.
  
 
=Goal=
 
=Goal=
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=Theory=
 
=Theory=
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===Preparing the Aluminum===
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Sodium hydroxide reacts with aluminium and water to release hydrogen gas. The aluminium takes the oxygen atom from sodium hydroxide(NaOH), which in turn takes the oxygen atom from the water, and releases the two hydrogen atoms. This reaction can be useful in etching, removing anodizing, or converting a polished surface to a satin-like finish, but without further passivation such as anodizing or alodining the surface may become degraded, either under normal use or in severe atmospheric conditions.
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===Anodizing the Aluminum===
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 +
===Dying the Aluminum===
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 +
===Sealing the Aluminum===
  
 
=Practice=
 
=Practice=
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==Materials==
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===Preparing the Aluminum===
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* [http://en.wikipedia.org/wiki/Sodium_hydroxide Sodium Hydroxide (NaOH)]
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* distilled water
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* dish soap
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===Anodizing the Aluminum===
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* distilled water
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* [http://en.wikipedia.org/wiki/Sulfuric_acid Sulfuric Acid (H2SO4)]
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* 12 volt power supply
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===Dying the Aluminum===
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 +
* distilled water
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 +
===Sealing the Aluminum===
 +
 +
* distilled water
 +
 +
==Method==
 +
===Preparing the Aluminum===
 +
 +
===Anodizing the Aluminum===
 +
 +
===Dying the Aluminum===
 +
 +
===Sealing the Aluminum===
 +
 +
=Safety=
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This project involves working with chemicals that can hurt you very badly and very permanently. Before you begin, make sure you have a copy of the MSDS from the manufacturer of your chemicals, have read and understood it, and are following all of the recommended guidelines for safe use, safe storage, and safe disposal. Use protective equipment (gloves, safety clothing, and eye protection) at all times.
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==Sodium Hydroxide (NaOH)==
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Sodium Hydroxide is corrosive; if it comes into contact with unprotected human tissue, it will burn very badly, and cause permanent scarring.
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 +
;MSDS
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:[http://www.jtbaker.com/msds/englishhtml/s4034.htm JTBaker]
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;R-Phrases
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:R35
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;S-Phrases
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: S1/2, S26, S37/39, S45
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 +
==Sulfuric Acid (H2SO4)==
 +
Sulfuric is corrosive; if it comes into contact with unprotected human tissue, it will burn very badly, and cause permanent scarring.
 +
 +
In addition to being corrosive, sulfuric acid has a highly exothermic reaction with water. If you get it on your skin, the heat created by its reaction with water will further burns.
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Finally, it will also suck out enough moisture from your skin to cause additional tissue damage.
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 +
;MSDS
 +
:[http://en.wikipedia.org/wiki/Sulfuric_acid_(data_page)#Material_Safety_Data_Sheet Wikipedia]
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;R-Phrases
 +
:R35
 +
;S-Phrases
 +
: S1/2, S26, S30, S45
  
 
=Resources=
 
=Resources=

Revision as of 19:48, 29 January 2010


Contents

Meta-Bits

Organizer
punkin
Participants
Date
(Date not set) 2010
Comment
This document is a very messy, poorly edited, and unreliable work-in-progress.

Goal

Aluminum is cheap (yay!), but its also soft, and worse, its dirty. Through the magic of electricity, we can harden aluminum's surface, increase its resistance to corrosion, and as a by-product, persuade it to take up dye -- pretty!

Theory

Preparing the Aluminum

Sodium hydroxide reacts with aluminium and water to release hydrogen gas. The aluminium takes the oxygen atom from sodium hydroxide(NaOH), which in turn takes the oxygen atom from the water, and releases the two hydrogen atoms. This reaction can be useful in etching, removing anodizing, or converting a polished surface to a satin-like finish, but without further passivation such as anodizing or alodining the surface may become degraded, either under normal use or in severe atmospheric conditions.

Anodizing the Aluminum

Dying the Aluminum

Sealing the Aluminum

Practice

Materials

Preparing the Aluminum

Anodizing the Aluminum

Dying the Aluminum

  • distilled water

Sealing the Aluminum

  • distilled water

Method

Preparing the Aluminum

Anodizing the Aluminum

Dying the Aluminum

Sealing the Aluminum

Safety

This project involves working with chemicals that can hurt you very badly and very permanently. Before you begin, make sure you have a copy of the MSDS from the manufacturer of your chemicals, have read and understood it, and are following all of the recommended guidelines for safe use, safe storage, and safe disposal. Use protective equipment (gloves, safety clothing, and eye protection) at all times.

Sodium Hydroxide (NaOH)

Sodium Hydroxide is corrosive; if it comes into contact with unprotected human tissue, it will burn very badly, and cause permanent scarring.

MSDS
JTBaker
R-Phrases
R35
S-Phrases
S1/2, S26, S37/39, S45

Sulfuric Acid (H2SO4)

Sulfuric is corrosive; if it comes into contact with unprotected human tissue, it will burn very badly, and cause permanent scarring.

In addition to being corrosive, sulfuric acid has a highly exothermic reaction with water. If you get it on your skin, the heat created by its reaction with water will further burns.

Finally, it will also suck out enough moisture from your skin to cause additional tissue damage.

MSDS
Wikipedia
R-Phrases
R35
S-Phrases
S1/2, S26, S30, S45

Resources

Retrieved from "http://www.kwartzlab.ca/wiki/Anodizing_Aluminum"
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