JP5098901B2 - 材料特性パラメータの算定方法 - Google Patents
材料特性パラメータの算定方法 Download PDFInfo
- Publication number
- JP5098901B2 JP5098901B2 JP2008224251A JP2008224251A JP5098901B2 JP 5098901 B2 JP5098901 B2 JP 5098901B2 JP 2008224251 A JP2008224251 A JP 2008224251A JP 2008224251 A JP2008224251 A JP 2008224251A JP 5098901 B2 JP5098901 B2 JP 5098901B2
- Authority
- JP
- Japan
- Prior art keywords
- stress
- yld2000
- yield
- material property
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
「塑性学」、コロナ社、1.3 「非線形有限要素法」、コロナ社、第7章 F.Barlat外、"Plane stress yield function for aluminum alloy sheets"、International Journal of Plasticity、19(2003)、p.1297−1319 「板成形」、コロナ社、第8章
対象とする材料について4方向以上の単軸引張試験を行い、それによって得られた応力−歪関係およびランクフォード値を用いて、Yld2000−2d降伏関数における8個の材料特性パラメータα1〜α8の値を算定することを特徴とする材料特性パラメータの算定方法。
Claims (3)
- 請求項1において、応力−歪関係として、降伏応力を用いて、Yld2000−2d降伏関数における8個の材料特性パラメータα1〜α8の値を算定することを特徴とする材料特性パラメータの算定方法。
- 請求項1において、応力−歪関係として、相当塑性歪3%〜10%における応力を用いて、Yld2000−2d降伏関数における8個の材料特性パラメータα1〜α8の値を算定することを特徴とする材料特性パラメータの算定方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008224251A JP5098901B2 (ja) | 2008-09-02 | 2008-09-02 | 材料特性パラメータの算定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008224251A JP5098901B2 (ja) | 2008-09-02 | 2008-09-02 | 材料特性パラメータの算定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010061249A JP2010061249A (ja) | 2010-03-18 |
JP5098901B2 true JP5098901B2 (ja) | 2012-12-12 |
Family
ID=42187998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008224251A Active JP5098901B2 (ja) | 2008-09-02 | 2008-09-02 | 材料特性パラメータの算定方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5098901B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5527243B2 (ja) * | 2011-02-09 | 2014-06-18 | Jfeスチール株式会社 | 成形による材料移動を考慮する材料異方性の計算方法 |
JP5866892B2 (ja) * | 2011-09-06 | 2016-02-24 | Jfeスチール株式会社 | 応力−歪み関係評価方法およびスプリングバック量予測方法 |
JP5459362B2 (ja) * | 2012-07-24 | 2014-04-02 | Jfeスチール株式会社 | 成形品の解析モデルへの材料異方性情報および板厚情報の設定方法、剛性解析方法および衝突解析方法 |
JP5994464B2 (ja) * | 2012-08-06 | 2016-09-21 | Jfeスチール株式会社 | 金属パイプの解析方法 |
JP6446740B2 (ja) * | 2014-07-03 | 2019-01-09 | 国立大学法人東京農工大学 | シミュレーション装置、シミュレーション方法およびプログラム |
CN112100820A (zh) * | 2020-08-25 | 2020-12-18 | 华南理工大学 | 一种基于Excel的各向异性屈服函数参数标定方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69911066T2 (de) * | 1998-11-18 | 2004-04-01 | Alcan International Ltd., Montreal | Verfahren zum modellieren der formung eines anisotropischen materials |
JP2008142774A (ja) * | 2006-11-14 | 2008-06-26 | Jfe Steel Kk | 応力−ひずみ関係シミュレート方法、応力−ひずみ関係シミュレーションシステム、応力−ひずみ関係シミュレーションプログラム、及び当該プログラムを記録した記録媒体 |
JP2008197852A (ja) * | 2007-02-10 | 2008-08-28 | Phifit Kk | 塑性加工における被加工材の組織発展の解析装置、解析システムおよび記録媒体 |
-
2008
- 2008-09-02 JP JP2008224251A patent/JP5098901B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010061249A (ja) | 2010-03-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5098901B2 (ja) | 材料特性パラメータの算定方法 | |
Hou et al. | Springback prediction of sheet metals using improved material models | |
CN110997172B (zh) | 金属板的剪切加工面上的变形极限的评价方法、裂纹预测方法以及压制模具的设计方法 | |
KR101539559B1 (ko) | 프레스 성형용 금형 설계 방법, 프레스 성형용 금형 | |
JP6547920B2 (ja) | 金属板のせん断加工面での変形限界の評価方法、割れ予測方法およびプレス金型の設計方法 | |
Liu et al. | A novel approach to determine plastic hardening curves of AA7075 sheet utilizing hydraulic bulging test at elevated temperature | |
TWI609179B (zh) | 破裂預測方法、程式、記錄媒體及演算處理裝置 | |
WO2020204060A1 (ja) | 曲げ角度予測方法、曲げ角度予測装置、プログラム及び記録媒体 | |
KR20150043476A (ko) | 스프링백량 평가 방법 | |
JP2011251318A (ja) | プレス部品の成形解析方法 | |
JP5207075B2 (ja) | 圧子押込み試験による弾塑性材料の材料物性特定方法 | |
Panthi et al. | Semi analytical modeling of springback in arc bending and effect of forming load | |
JP6350498B2 (ja) | プレスしわ発生判定方法 | |
Bouchaâla et al. | Modeling of anisotropy influence on thickness distribution of deep drawing sheet | |
WO2020204059A1 (ja) | 鋼材の破断予測方法、破断予測装置、プログラム及び記録媒体 | |
Lin et al. | Formability study on stamping an engine hood with aluminum alloy sheet | |
JP5949719B2 (ja) | スプリングバック量評価方法 | |
JP2014226689A (ja) | 薄板の割れ評価方法 | |
Eggertsen et al. | Material modelling for accurate springback prediction | |
JP5757224B2 (ja) | 構造部材の設計方法 | |
JP2014241129A (ja) | スプリングバック量評価方法 | |
WO2020174841A1 (ja) | 曲げ割れ評価方法、曲げ割れ評価システム、及びプレス成形部品の製造方法 | |
Kadkhodayan et al. | On the relation of equivalent plastic strain and springback in sheet draw bending | |
Anggono et al. | Combined method of spring-forward and spring-back for die compensation acceleration | |
Melander et al. | Spring back evaluation for high and ultra high strength sheet steels with the bending under tension machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110823 |
|
RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20120321 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20120327 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20120814 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120828 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120910 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20151005 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5098901 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |