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Method of eddy current testing for titanium and titanium alloy bars and wires
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GB/T 23601-2009
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Basic data | Standard ID | GB/T 23601-2009 (GB/T23601-2009) | | Description (Translated English) | Method of eddy current testing for titanium and titanium alloy bars and wires | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H64 | | Classification of International Standard | 77.120.50 | | Word Count Estimation | 8,863 | | Date of Issue | 2009-04-15 | | Date of Implementation | 2010-02-01 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.5 (Total No.145) | | 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 titanium and titanium alloy rods, wire eddy current testing requirements and acceptance provisions. This standard applies to the diameter 2mm ~ 16mm titanium and titanium alloy rods, eddy current testing wire surface and near surface defects. | GB/T 23601-2009: Method of eddy current testing for titanium and titanium alloy bars and wires---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Method of eddy current testing for titanium and titanium alloy bars and wires
ICS 77.120.50
H64
National Standards of People's Republic of China
Titanium and titanium alloy bar, wire eddy current testing method
Posted 2009-04-15
2010-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard proposed by China Nonferrous Metals Industry Association.
This standard Nonferrous Metals by the National Standardization Technical Committee.
This standard was drafted. Baoji Titanium Group Ltd., Baoji Titanium Industry Co., Ltd.
The main drafters of this standard. Ma Xiaohuai, Jiang Lixin, Fengjun Ning, Zhang Yansheng, Wang Yongmei, Lu Yang.
Titanium and titanium alloy bar, wire eddy current testing method
1 Scope
This standard specifies the titanium and titanium alloy bar, wire eddy current inspection requirements and acceptance regulations.
This standard applies to a diameter of 2mm ~ 16mm of titanium and titanium alloy rod, wire and surface eddy current testing near-surface defects.
2 General requirements
2.1 Objective
This method is mainly used to detect titanium and titanium alloy bar, wire products of surface and near surface defects, such as dents, cracks, and other exposure or
Exposed to the tissue surface discontinuities on.
2.2 staff
Operators should reach the ministerial or equivalent level and above grade Ⅰ learn NDT personnel level, the issue of inspection reports and explain people
Members should meet ministerial or equivalent level learn grade Ⅱ level and staff.
2.3 size and appearance quality
2.3.1 wire rod surface should be clean, can not affect the presence of test dirt, grease, metal shavings and other foreign substances.
Curvature 2.3.2 wire rods, the surface roughness and size tolerances shall comply with relevant product standards.
3 Testing System
3.1 eddy current flaw detector
3.1.1 eddy current flaw detector operating frequency range is generally 10kHz ~ 100kHz.
3.1.2 The instrument should include incentives, receives, amplifies and phase adjustment, filtering unit, and an alarm, display or recording device.
3.2 detection coil
3.2.1 and eddy current flaw detection coil combination can generate the induced current in the rods, wire surface or near-surface, and can detect rods, electrical wire
Changes in magnetic properties.
3.2.2 In ensuring rods, wire passed the detection coil does not scratch the rod, wire surface of the premise, as far as possible the use of encircling coil detector
Choose a high fill factor of the detection coil, usually not less than 0.7.
3.3 gearing
3.3.1 make wire rods evenly and smoothly through the coil, without causing damage to the surface of the wire rod.
3.3.2 have to ensure that the detection coils or scanning center of the track with the test rods, wire center line of the adjustment mechanism.
3.3.3 rods, wire feed speed of 5m/min ~ 80m/min. Change the selected speed should not exceed ± 10%.
3.4 sorter
We can distinguish between the Qualified or unqualified rods, wire, and its sorting.
Comparative Sample 4
4.1 Comparative Sample having artificial groove for adjusting the sensitivity performance testing, calibration and testing equipment as product acceptance criteria
The rod-like.
4.2 should be used in comparative sample was seized rods, wire material, geometry, uniform surface state and heat treatment process, and does not affect manual
Stick standard defect identification signal, wire preparation.
4.3 Comparative Sample optional V-shaped or U-shaped, rectangular groove. The comparative sample shall be at least three weeks to 120 ° spacing of the same size
Person-notch defects and artificial defects longitudinal groove uniform intervals of not less than 100mm.
Price & DeliveryUS$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23601-2009: Method of eddy current testing for titanium and titanium alloy bars and wires
Status: Valid
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