ClassID:

167382

G01N3/28 - CPC Classification

Classification description:

Investigating strength properties of solid materials by application of mechanical stress Investigating ductility, e.g. suitability of sheet metal for deep-drawing or spinning

Recent Application in this class:
#1
20250369846
2025-12-04

METHOD AND APPARATUS OF ACQUIRING FORMING LIMIT OF METAL SHEET

#2
20250190644
2025-06-12

METHOD, DEVICE, AND PROGRAM FOR PREDICTING DELAYED FRACTURE IN PRESS FORMED PART, AND METHOD OF MANUFACTURING PRESS FORMED PART

#3
20240211652
2024-06-27

Optimization method and system for hybrid FRP and steel bars

#4
20230349800
2023-11-02

AUTO-FLATTENING CONTROL ALGORITHM AND RELIABILITY TESTING METHOD OF SAMPLE USING SAME AND RELIABILITY TESTING DEVICE OF SAMPLE USING SAME

#5
20230152195
2023-05-18

Method for identifying necking limit strain of metal sheet

#6
20220236158
2022-07-28

Method for evaluating embrittlement of amorphous alloy ribbon and test device for evaluating embrittlement of amorphous alloy ribbon

#7
20220168791
2022-06-02

Method for evaluating bending crack, system for evaluating bending crack, and method for manufacturing press-formed component

#8
20200292429
2020-09-17

Deformation limit evaluation method for sheared surface of metal sheet, crack prediction method, and press die designing method

#9
20200276658
2020-09-03

Press die designing method using an index value obtained from two stress gradients in sheet thickness direction and gradient of surface stress distribution in direction

#10
20200225134
2020-07-16

Apparatus and method for evaluating electrode embrittlement

#11
20200082044
2020-03-12

Shifting a forming limit curve based on zero friction analysis

#12
20200041394
2020-02-06

Rigidity measurement apparatus and rigidity measurement method

#13
20200011776
2020-01-09

Tension measurement device

#14
20190301983
2019-10-03

Quality control process to assess the aluminized coating characteristics of hot stamped parts

#15
20190137374
2019-05-09

Apparatus and method for fillet punch creep testing

#16
20190107474
2019-04-11

Processes for predicting small scale steady state (S4) critical temperatures

#17
20180356322
2018-12-13

Test specimen and method of forming and testing the test specimen

#18
20180328826
2018-11-15

Method of evaluating stretch-flangeability with small-scale specimen without specimen size effects

#19
20180275033
2018-09-27

Method and computer program product for characterising the bending response of a material

#20
20180209883
2018-07-26

Rigidity measurement apparatus and rigidity measurement method

#21
20180136100
2018-05-17

Breaking prediction method, program, recording medium, and arithmetic processing device

#22
20180067028
2018-03-08

Apparatus for universal testing of metal sheet formability

#23
20170227677
2017-08-10

Method and system for measuring/detecting ice or snow atmospheric accretion on overhead power lines

#24
20170108418
2017-04-20

Shifting A Forming Limit Curve Based On Zero Friction Analysis

#25
20160327463
2016-11-10

Method and apparatus for evaluating ductile fracture

#26
20160299046
2016-10-13

Method of measurement and determination on fracture toughness of structural materials at high temperature

#27
20150294043
2015-10-15

Method for specifying stretch flange limit strain and method for determining feasibility of press forming

#28
20140238145
2014-08-28

Method and systems for determining hydrogen embrittlement

#29
20140090455
2014-04-03

Ding detection system

#30
20130291648
2013-11-07

Winding tester for composite wire rod-type specimens

#31
20110314906
2011-12-29

Method and apparatus for characterizing microscale formability of thin sheet materials

#32
20110192232
2011-08-11

Method and apparatus for judging fracture of metal stamped product, program and computer-readable recording medium

#33
20100024924
2010-02-04

Recovery heat treatment to improve formability of magnesium alloys

#34
20100005864
2010-01-14

Method to measure tearing resistance

#35
20080104823
2008-05-08

Pipe Formality Evaluation for Expandable Tubulars

#36
20060276993
2006-12-07

Method of predicting wear of a die surface

#37
20060112768
2006-06-01

Pipe formability evaluation for expandable tubulars

#38
20060025937
2006-02-02

Method for detecting leak before rupture in a pipeline