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GB/T 24516.2-2009: Corrosion of metals and alloys -- Atmospheric corrosion -- Sun tracking exposure test methods
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Corrosion of metals and alloys -- Atmospheric corrosion -- Sun tracking exposure test methods
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GB/T 24516.2-2009
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Basic data | Standard ID | GB/T 24516.2-2009 (GB/T24516.2-2009) | | Description (Translated English) | Corrosion of metals and alloys -- Atmospheric corrosion -- Sun tracking exposure test methods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H25 | | Classification of International Standard | 77.060 | | Word Count Estimation | 14,192 | | Date of Issue | 2009-10-30 | | Date of Implementation | 2010-05-01 | | Quoted Standard | GB/T 1865-1997; GB/T 14519-1993; GB/T 24516.1-2009; JB/T 10579; ASMT E 903 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.12 (Total No.152) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the trace and track the sun reflecting sun exposure can accelerate the exposure test poly principle of the test, data processing and results presentation and test reports, environmental factors surveillance, test sites and facilities, test apparatus and instruments, specimens, tests, test record and so on. This section applies to the use of tracking devices and tracking the sun exposure test concentrator solar reflectance accelerated exposure testing device for the base metals and alloys organic coatings, composite materials, plastic coating, binders such as accelerated outdoor exposure test. Other polymer materials can also refer to the use. | GB/T 24516.2-2009: Corrosion of metals and alloys -- Atmospheric corrosion -- Sun tracking exposure test methods
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Corrosion of metals and alloys. Atmospheric corrosion. Sun tracking exposure test methods
ICS 77.060
H25
National Standards of People's Republic of China
Metals and alloys against atmospheric corrosion
Test methods for tracking the sun exposure
Posted 2009-10-30
2010-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 24516 enactment of this section with reference to ISO 877.1994 "directly exposed to plastic, glass filters sunlight exposure and Fresnel
Mirror shaped sun exposure test methods "and ASTMG90.2005" with focus on Natural Sunlight law to accelerate the implementation of non-metallic materials outdoors old
Order "of the trial.
Appendix B to this part of the normative Appendix Appendix A is an information appendix.
This part is proposed by the China Iron and Steel Association.
This part of the National Steel Standardization Technical Committee.
This section was drafted by. China North Industries fifty nine research institutions, national comprehensive environmental study materials science field stations network corrosion
Center of Metallurgical Industry Information Standards Institute.
The main drafters of this part. He Dehong, Qinxiao Zhou, Su Yan, Yang mold, Wang Zhenyao, Han Wei.
Metals and alloys against atmospheric corrosion
Test methods for tracking the sun exposure
1 Scope
This section GB/T 24516 provides for tracking the sun exposure and sun tracking energy concentrated accelerated exposure test principle of the test environment
Factor surveillance, test sites and facilities, test equipment and instrumentation, sample, test, test recording, data processing and presentation, and test results reported
Reports, etc..
This section applies to the use of test equipment to track the sun exposure and sun tracking energy concentrated accelerated exposure testing apparatus metals and alloys
Substrate for the organic coatings, composites, plastic coatings, adhesives and other outdoor exposure acceleration test, other polymer materials can also refer
use.
2 Normative references
The following documents contain provisions which, through reference GB/T 24516 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 1865-1997 Paints and varnishes - Artificial weathering and exposure to artificial radiation (filtered xenon arc radiation) (eqv
ISO 11341.1994)
GB/T 14519-1993 in plastic glass - filtered daylight exposure to indirect methods (neqISO 877. 1976)
Atmospheric corrosion meteorological factors observation method GB/T 24516.1-2009 metals and alloys
JB/T 10579 standard method of corrosion data statistical analysis
Standard Test Method for Determination of material using an integrating sphere ASTME903 sunlight absorption, reflectance and transmittance
3 Terms and Definitions
The following terms and definitions apply to this section.
3.1
Aside from sample to sample comparison of the surface state of the same batch of corrosion caused by sample physical and mechanical properties change.
3.2
When experimenting with new materials, improved technology or improved materials, original material with a known test data, sample production process for comparison
test.
4 Test principle
4.1 Tracking sun exposure tests in outdoor atmosphere, rotation control system to increase exposure frame, with the rotation of solar tracking, full strengthening too
Effects of light and heat of solar radiation, exposure to accelerated aging rate of the sample surface.
4.2 Sun tracking energy concentrated accelerated exposure test in the outdoor atmosphere, through tracking systems and reflection systems control, sun
Reflected light is focused onto the surface of the sample area (target area), and strengthen the amount of solar radiation suffered a sample, and is equipped with blower system and artificial rainfall
Sprinkler system, to accelerate the aging speed of the target area of \u200b\u200bthe sample.
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