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本文(ASTM C600-1985(2010) Standard Test Method of Thermal Shock Test on Glass Pipe《玻璃管的热冲击试验的标准试验方法》.pdf)为本站会员(bowdiet140)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASTM C600-1985(2010) Standard Test Method of Thermal Shock Test on Glass Pipe《玻璃管的热冲击试验的标准试验方法》.pdf

1、Designation: C600 85 (Reapproved 2010)Standard Test Method ofThermal Shock Test on Glass Pipe1This standard is issued under the fixed designation C600; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A nu

2、mber in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 Since thermal shock resistance is so closely related tothe linear coefficient of expansion, this test method for thedetermination of the

3、thermal shock resistance of glass processpipe is primarily intended to supplement test results on thelinear coefficient of expansion, Test Method E228. This ther-mal shock test will not ordinarily be performed except in thosecases where the thermal shock resistance may be questioned.1.2 This test me

4、thod covers only two of four thermal shockpossible approaches, namely independent downshock of out-side and inside pipe surfaces. Downshock is more severe sincea higher tensile stress is produced and, hence, more likely toproduce failure.1.3 The values stated in inch-pound units are to be regardedas

5、 standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of th

6、is standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2E228 Test Method for Linear Thermal Expansion of SolidMaterials With a Push-Rod Dilatometer3. Significance and Use3.1 T

7、his test method provides a practical means of assessingglass pipe strength under short-duration, thermally-imposedtensile stresses. In addition to a principal role played by thelinear coefficient of thermal expansion, glass surface defectscan also be major factors in reducing downshock performance.4

8、. Apparatus4.1 Oven, equipped with a device to maintain the tempera-ture with 65F (63C) of the specified temperature. Anindicating controller is recommended. Otherwise, a dial ther-mometer should be attached and the temperature controlledmanually.4.2 Water Tank, at least 18 in. (457 mm) deep with a

9、widthand length sufficient to accommodate the samples to be tested.The tank shall be filled with ice water to a depth of at least 12in. (305 mm). The water temperature shall be maintained at 346 2F (1 6 1C).4.3 Timer, capable of measuring seconds.5. Sampling5.1 Arandom sampling of 1 % (but not less

10、than two pieces)of pipe and fittings shall be made.6. Procedure6.1 Set the oven at the proper temperature, in degreesFahrenheit, determined as follows:Toven5 32 1 1.25 8DTrecommended! (1)6.2 Thermal Shock TestOutside SurfaceClose off allopen ends of sample; use glass pipe caps or flat metal plates,p

11、lus the necessary flanges, gaskets, inserts, nuts, and bolts.Keep the closed sample in the oven, at temperature, for at least30 min. Completely submerge the sample in the tank of icewater for 30 s. Keep the time elapsed between removing thesample from the oven and submerging it in ice water not less

12、than 15 s, nor more than 45 s. Inspect each sample forindications of failure.1This test method is under the jurisdiction of ASTM Committee C14 on Glassand Glass Products and is the direct responsibility of Subcommittee C14.05 onGlass Pipe.Current edition approved March 1, 2010. Published March 2010.

13、 Originallyapproved in 1967. Last previous edition approved in 2005 as C600 85 (2005).DOI: 10.1520/C0600-85R10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the s

14、tandards Document Summary page onthe ASTM website.TABLE 1 Oven Temperature SettingNominal Pipe Size,in.TovenF C14 282 14038 282 14012 282 14034 282 1401 282 140112 282 1402 282 1403 282 1404 251 1226 232 1111Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 1942

15、8-2959, United States.6.3 Thermal Shock TestInside SurfaceClose off all openends of sample except one; use glass pipe caps or flat metalplates, plus the necessary flanges, gaskets, inserts, nuts, andbolts. Keep the partially closed sample in the oven, at tempera-ture, for at least 30 min. Remove the

16、 sample from the oven,placing the one open end up. Pour ice water into the open endof the sample to overflowing. Keep the time elapsed betweenthe removal of the sample from the oven and the beginning ofthe time to pour the water to no less than 15 s and no more than45 s. Pour water into the sample a

17、t a rate such that the sampleshall be filled within 1 min from the start of the pouring.NOTE 1For tests in 6.1 through 6.3 the same sample(s) may be usedfor inside and outside surfaces (unless the sample fails one of the twotests).7. Report7.1 Report the following:7.1.1 Sampling percentage,7.1.2 Num

18、ber, size, and description of each sample tested,7.1.3 Time of transfer used,7.1.4 Temperature differential used, and7.1.5 Results of test:7.1.5.1 For the outside surface thermal shock test, numberof samples that failed, and7.1.5.2 For the inside surface thermal shock test, number ofsamples that fai

19、led.8. Precision and Bias8.1 Due to the fail-pass nature of the test, statements onprecision and bias are not applicable.9. Keywords9.1 glass; pipe; thermal shockASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this st

20、andard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be rev

21、iewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsi

22、ble technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West C

23、onshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).C600 85 (2010)2

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