ASTM D6110-97

Standard Test Methods for Determining the Charpy Impact Resistance of Notched Specimens of Plastics

General Information

• Status: Historical
• Publication Date: 09-Jul-1997
• ICS: 83.140.01 - Rubber and plastics products in general
• Technical Committee: D20 - Plastics
• Drafting Committee: D20.10 - Mechanical Properties

Relations

• Replaced By: ASTM D6110-02 - Standard Test Methods for Determining the Charpy Impact Resistance of Notched Specimens of Plastics
• Effective Date: 10-Aug-2002
• Referred By: ASTM D256-23e1 - Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics
• Effective Date: 10-Jul-1997
• Referred By: ASTM D3641-21 - Standard Practice for Injection Molding Test Specimens of Thermoplastic Molding and Extrusion Materials
• Effective Date: 10-Jul-1997
• Referred By: ASTM F2231-02(2019) - Standard Test Method for Charpy Impact Test on Thin Specimens of Polyethylene Used in Pressurized Pipes
• Effective Date: 10-Jul-1997
• Referred By: ASTM D4101-17e1 - Standard Classification System and Basis for Specification for Polypropylene Injection and Extrusion Materials
• Effective Date: 10-Jul-1997

Standards Content (Sample)

Designation:D6110–97
Standard Test Methods for
Determining the Charpy Impact Resistance of Notched
1
Specimens of Plastics
This standard is issued under the fixed designation D 6110; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
1.1 These test methods are used to determine the resistance
of plastics to breakage by flexural shock as indicated by the
2. Referenced Documents
energy extracted from standardized (see Note 2) pendulum-
2.1 ASTM Standards:
type hammers, mounted in standardized machines, in breaking
2
D 618 Practice for Conditioning Plastics for Testing
standard specimens with one pendulum swing. These test
D 647 Practice for Design of Molds for Test Specimens of
methodsrequirespecimenstobemadewithamillednotch(see
3
Plastic Molding Materials
Note 3). The notch produces a stress concentration which
2
D 883 Terminology Relating to Plastics
promotes a brittle, rather than a ductile, fracture. The results of
D 4000 Classification System for Specifying Plastic Mate-
these test methods are reported in terms of energy absorbed per
4
rials
unit of specimen width (see Note 4).
D 4066 Specification for Nylon Injection and Extrusion
NOTE 1—This standard resembles ISO 179 in title only. The content is 4
Materials
significantly different.
D 5942 Test Method for Determination of Charpy Impact
NOTE 2—The machines with pendulum-type hammers have been stan-
5
Strength
dardized in that they must comply with certain requirements including a
E 691 Practice for Conducting an Interlaboratory Test Pro-
fixed height of hammer fall, which results in a substantially fixed velocity
6
gram to Determine the Precision of Test Methods
of the hammer at the moment of impact. Hammers of different initial
energies (produced by varying their effective weights), however, are
3. Terminology
recommended for use with specimens of different impact resistance.
Moreover, manufacturers of the equipment are permitted to use different
3.1 Definitions—For definitions related to plastics, see Ter-
designs of pendulums, which may result in different pendulum rigidities
minology D 883.
(see Section 5), plus other differences in machine design.
NOTE 3—The specimens are standardized in that they have a fixed
4. Summary of Test Method
length and fixed depth, however, the width of the specimens is permitted
4.1 Anotched specimen is supported as a horizontal simple
to vary between limits. One design of milled notch is allowed. The notch
in the specimen serves to concentrate the stress, minimize plastic beam and is broken by a single swing of the pendulum with the
deformation, and direct the fracture to the part of the specimen behind the
impact line midway between the supports and directly opposite
notch. Scatter in energy-to-break is thus reduced. Because of differences
the notch.
in the elastic and viscoelastic properties of plastics, however, response to
a given notch varies among materials.
5. Significance and Use
NOTE 4—Caution must be exercised in interpreting the results of these
5.1 Before proceeding with these test methods, refer to the
test methods. The following testing parameters may affect test results
material specification for the material being tested. Any test
significantly: method of specimen fabrication, including but not limited to
processing technology, molding conditions, mold design, and thermal specimen preparation, conditioning, dimensions and testing
treatment; method of notching; speed of notching tool; design of notching
parameters required by the materials specification shall take
apparatus; quality of the notch; time between notching and test; test
precedence over those required by these test methods. Table 1
specimen thickness; and environmental conditioning.
of Classification D 4000 lists the ASTM materials standards
1.2 This standard does not purport to address all of the
that currently exist. If there is no material specification, then
safety concerns, if any, associated with its use. It is the
the requirements of these test methods apply.
responsibility of the user of this standard to establish appro-
2
Annual Book of ASTM Standards, Vol 08.01.
1 3
These test methods are under the jurisdiction of ASTM Committee D-20 on Discontinued 1994; Replaced by D 1896, D 3419, D 3641, D 4703, D 5227.
4
Plastics and are the direct responsibility of Subcommittee D20.10 on Mechanical Annual Book of ASTM Standards, Vol 08.02.
5
Properties. Annual Book of ASTM Standards,Vol 08.03.
6
Current edition approved July 10, 1997. Published May 1998. Annual Book of ASTM Standards, Vol 14.02.
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