GMW GMW16797-2012 Polyphthalamide 25% Glass Fiber Carbon Fiber Reinforced Impact Modified Fuel Compatible Electrostatically Dissipative Heat Stabilized Hot Oil Moldable Issue 1 Eng.pdf

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1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW16797 Polyphthalamide 25% Glass Fiber/Carbon Fiber Reinforced, Impact Modified, Fuel Compatible, Electrostatically Dissipative, Heat Stabilized, Hot Oil Moldable Copyright 2012 General Motors Company All Rights Reserved September 2012 Origin

2、ating Department: North American Engineering Standards Page 1 of 5 1 Scope 1.1 Material Description. This standard covers the properties of a 25% glass fiber/carbon fiber reinforced, impact modified, fuel compatible, electrostatically dissipative, heat stabilized polyphthalamide, injection moldable,

3、 hot oil moldable. 1.2 Symbols. The material abbreviation according to SAE J1344 is PPA-(GF13+CF12)PPA-(GF13+CF12) Ash (Glass Only) ISO 3451 % 11 to 15 Density ISO 1183 g/cm3 Target Range 1.25 to 1.40 Tensile Modulus ISO 527 MPa 11 000 to 16 000 Tensile Stress at Break ISO 527 MPa 165 Stress at Brea

4、k (at +23 C) after Heat Aging Note 1 ISO 188 ISO 527 1000 h at 170 C % Retention 75 Moisture Content ISO 15512 Method A or B or GMW14335 % 0.2 Notched Charpy Impact Strength at +23 C at -30 C ISO 179/1eA kJ/m2 5.4 3.0 Notched Charpy Impact Strength (at +23 C) after Heat Aging Note 1 ISO 188 ISO 179/

5、1eA 1000 h at 170 C % Retention 75 Melting Temperature ISO 3146 or ISO 11357-3 C Target Range 300 to 320 Heat Deflection Temperature under Load, 1.8 MPa ISO 75 C 260 Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking

6、permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16797 Copyright 2012 General Motors Company All Rights Reserved September 2012 Page 3 of 5 Glass Fiber/Carbon Fiber Percentage 25% (13% Glass/12% Carbon) Property Standard Units Range Flammability GMW3232 or ISO 3795 All re

7、porting must be in accordance with GMW3232 mm/minute Self-Extinguishing (SE) or 100 Volume Resistivity IEC 60093 (Optional SAE J1645); 100 V -m 1 106 Tensile Stress at Break after Fuel Soak Note 1 ISO 527-1/2, 50 mm/minute following 5000 h at 60 C in CE10 per SAE J1681 or 10% BioEthanol in Gasoline

8、according to ISO 1817 Liquid 1 % Retention 75 Swell after Fuel Soak Measure swell per paragraph 3.4 following 1000 h at 60 C in CE10 per SAE J1681 or 10% BioEthanol in Gasoline according to ISO 1817 Liquid 1. % Change 0.25 for each direction Note 1: Specimens tested for Stress at Break to ISO 527 an

9、d Notched Charpy Impact Strength to ISO 179 at +23 C 3 C after heat aging 1000 h 5 h at +170 C 5 C according to ISO 188 Method A (air oven method), shall have a minimum of 75% retention relative to unaged specimens tested concurrently. 4 Manufacturing Process Not applicable. 5 Rules and Regulations

10、5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendations valid in the country of usage. 5.2 Language. In the event of conflict between the English and domestic language, the English language shall take precedence. 5.3 Inspection and Rejection. Samples

11、 of components or materials released to a GM material specification shall be tested for conformity with the requirements of this material specification and approved by the responsible Engineering department prior to commencement of delivery of bulk supplies. A new approval must be received for any c

12、hanges, e.g., properties, manufacturing process, location of manufacture, etc. If not otherwise agreed, all testing and documentation normally required for initial release must be completed. It is the responsibility of the supplier to inform the customer in a timely manner, without solicitation, and

13、 to include documentation of all modifications of materials and/or processes and to apply for a new release. If not otherwise agreed, all release tests shall be repeated and documented by the supplier prior to commencement of delivery of non-conforming bulk supplies. In individual cases, a shorter t

14、est can be agreed to between the responsible Engineering department and the supplier. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW167

15、97 Copyright 2012 General Motors Company All Rights Reserved September 2012 Page 4 of 5 5.4 Initial Source Approval. No shipments shall be made by any supplier until representative initial production samples have been approved by the appropriate Materials Engineering department(s) as meeting the req

16、uirements of this specification. 5.5 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissions, or when a change in chemical composition of an existing product has occurred, a complete copy of the Material Safety Data Sheet/Safety Data Sheet must be submitted in complian

17、ce with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) requirements or other country-specific MSDS/SDS requirements. In addition, product MSDS/SDS submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sh

18、eet guidance documents where available. 5.6 All materials supplied to this standard must comply with the requirements of GMW3059, Restricted and Reportable Substances for Parts. 6 Approved Sources Engineering qualifications of an approved source are required for this standard. Only sources listed in

19、 the GM Materials File (i.e., MATSPC) under this standard number have been qualified by Engineering as meeting the requirements of this standard. 7 Notes 7.1 Glossary. MATSPC: Global repository of GM approved materials for corresponding GM Engineering Standards. 7.2 Acronyms, Abbreviations, and Symb

20、ols. CLTE Coefficient of Linear Thermal Expansion GHS Globally Harmonized System of Classification and Labeling of Chemicals MSDS Material Safety Data Sheet SAE SAE International SDS Safety Data Sheet SE Self-Extinguishing 8 Coding System This standard shall be referenced in other documents, drawing

21、s, etc., as follows: Glass Fiber/Carbon Fiber Reinforced, Electrostatically Dissipative, Impact Modified, Heat Stabilized Polyphthalamide per GMW16797P-PPA-GF13CF12. Where: GMW16797 = Document Identification P = Material Type, P=Plastic PPA = Material Category GF = Nominal percentage of glass fiber

22、reinforcement CF = Nominal percentage of carbon fiber filler Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16797 Copyright 2012 General

23、 Motors Company All Rights Reserved September 2012 Page 5 of 5 9 Release and Revisions This standard was originated in April 2012. It was first approved by the Plastics Global Subsystem Leadership Team in September 2012. It was first published in September 2012. Issue Publication Date Description (O

24、rganization) 1 SEP 2011 Initial publication. Cross Reference of Replaced Specifications GMW16797 Replaced Specification GMW16797P-PPA-GF13CF12 GMP.PPA.011 Approval to the replaced specification does not guarantee approval to this specification. Recertification is required. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-