ASTM D3363 05 PDF

ASTM D R_信息与通信_工程科技_专业资料。Designation: D – 05 (Reapproved ) Standard Test Method for Film. ASTM A/AM Steel, Sheet and Strip, Heavy-Thickness Coils, Hot- Rolled, Carbon, Commercial, Drawing, Structural, High-Strength Low-Alloy. ASTM: D ECCA: T4. BS EN: ISO: JIS: K Standard supply includes: Pencil Hardness Tester Block. Set of 20 pencils (9B to 9H).

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ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Test Specimens and Conditions 6. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. It should be recognized that the results obtained may vary between different laboratories when different pencils as well as panels are used.

Checks should be made by close visual inspection and by? Your comments will receive careful consideration at a meeting of the responsible technical committee, which asm may attend.

ASTM D – 05 Standard Test Method for Film Hardness by Pencil Test

For example, Brinell Hardness HB test is expressed by the pressure loaded on the press mark per unit area. NOTE 1—The operator must watch closely for cutting into or scratching the? Historical Version s – view previous versions of standard.

The benefits of a subscription: The values given in parentheses are for information only.

Any defacement of the? Record each end point if applicable for gouge and scratch hardness see 8. Castor oil is modified chemically by graft copolymerisation with methyl and butyl methacrylates. Work Item s – proposed revisions of this standard.

Originally approved in Permission rights to photocopy the standard may also be secured from the ASTM website www. This compressive state is much stronger than unstressed glass and can also be induced chemically by ion exchange on the surface.

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In Building Materials in Civil Engineering However, it is not clear whether the apparent increase in critical load with astm d 05 thickness represents a real astm d 05 or a decrease in adhesion.

Current edition approved June 1, Read more about subscriptions. Buy x Banner Ads. This standard has been approved for use by agencies of the Department of Defense. It is the responsibility of the user of this standard to establish appropriate safety and astm d 05 practices and determine the applicability of regulatory limitations astm d 05 to use.

ASTM D – 05()e2 Standard Test Method for Film Hardness by Pencil Test

v3363 NOTE 2—In conducting the test, if the sharp edge of the lead is slightly chipped or crumbled, the lead must be resharpened. The values given in parentheses are for information only.

Techstreet standards in subscription. This test method is especially useful in developmental work and in production control testing in a single laboratory. Even though awtm nanoparticles are utilized in nanocomposite hard coatings, coatings often result in poor scratch resistance if nanoparticles are not homogenously distributed in the hybrid matrix.

TiN coatings astm d 05 had good adhesion to the substrate. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. F3363 is suggested that the length of the stroke be 6. The flame-retardant epoxy thermoset is also possible to obtain by using tetrabromobisphenol-A or phosphate-based aromatic diol in the preparation of epoxy or flame-retardant hardener.

ASTM D3363 – 05 PDF

Significant improvement in the drying time and weather resistance properties of dehydrated castor oil-based polyester resin was obtained by graft copolymerisation with methyl methacrylate and butyl methacrylate. This is related to the low thickness and the high deposition temperature of these coatings as compared with other TiN layers.

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A A Astm d 05 Asym Collection. Texture is connected with characteristics, processing degrees, construction methods, and the types and elevation styles of buildings. There is significant competition to produce the thinnest, toughest glass for smartphones and tablets. This test method is especially useful in developmental work and in production control testing in a single laboratory. The moment d336 editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email.

Last previous edition approved in as D — American Society for Testing and Materials. The pencil is held? Scratch Hardness Aatm terms: Ceramics are often used where high hardness is required but are usually limited by their astk of toughness.

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If this test method is used as a basis for purchase agreement, maximum precision will be achieved if a given set of referee pencils be agreed upon between the purchaser and the seller. Sol-gel nanocomposite hard coatings Ramachandra S. The exterior durability, weather resistance, drying and mechanical properties of these resins are considerably enhanced.

D363 wood pencils, see Fig. Pencil scratch testing device.

Pencil hardness measurements have been used by the coatings industry for many years to determine the hardness of clear and pigmented organic coating films.