Partner: Naohisa Takesue

Fukuoka University (JP)

Recent publications
1.Golasiński K., Pieczyska E., Maj M., Mackiewicz S., Staszczak M., Kowalewski Z., Urbański L., Zubko M., Takesue N., Anisotropy of Gum Metal analysed by ultrasonic measurement and digital image correlation, MATERIALS SCIENCE AND TECHNOLOGY, ISSN: 0267-0836, DOI: 10.1080/02670836.2019.1629539, pp.1-7, 2019
Abstract:

The mechanical anisotropy of a multifunctional titanium alloy, Gum Metal, is investigated in this paper. The structural characterisation showed a strong <110> texture for Gum Metal, that is a result of the cold-swaging process applied during its manufacture. Gum Metal was treated as a transversally isotropic solid because of this texture. A significant difference from Young’s moduli of the alloy was detected from the ultrasonic measurement of parallel and perpendicular directions to the alloy swaging direction. Samples of Gum Metal cubes were compressed in two different orientations. During the deformation process, two perpendicular walls of each sample were monitored by two visible range cameras for further two-dimensional digital image correlation analysis, this confirmed a strong plastic anisotropy in Gum Metal.

Keywords:

Gum Metal, compression, mechanical anisotropy, digital image correlation, ultrasonic measurement, texture, titanium alloy, full-field deformation measurement

Affiliations:
Golasiński K.-IPPT PAN
Pieczyska E.-IPPT PAN
Maj M.-IPPT PAN
Mackiewicz S.-IPPT PAN
Staszczak M.-IPPT PAN
Kowalewski Z.-IPPT PAN
Urbański L.-IPPT PAN
Zubko M.-other affiliation
Takesue N.-Fukuoka University (JP)

Conference abstracts
1.Golasiński K., Pieczyska E., Maj M., Mackiewicz S., Staszczak M., Zubko M., Takesue N., Elastic and plastic anisotropy of gum metal investigated by ultrasound measurements and digital image correlation, ISMMS, 10th International Symposium on Mechanics of Materials and Structures, 2019-06-02/06-06, Augustów (PL), pp.43-44, 2019
Keywords:

Mechanical Anisotropy, Ti alloy, Gum Metal, Ultrasound Measurement, Digital Image Correlation

Affiliations:
Golasiński K.-IPPT PAN
Pieczyska E.-IPPT PAN
Maj M.-IPPT PAN
Mackiewicz S.-IPPT PAN
Staszczak M.-IPPT PAN
Zubko M.-other affiliation
Takesue N.-Fukuoka University (JP)
2.Golasiński K., Pieczyska E.A., Maj M., Staszczak M., Takesue N., Thermomechanical behavior of gum metal under cyclic compression, PCM-CMM, 4th Polish Congress of Mechanics, 23rd International Conference on Computer Methods in Mechanics, 2019-09-08/09-12, Kraków (PL), pp.1, 2019
Keywords:

Gum Metal, Multifunctional Ti-based Alloy, Cyclic Compression, Infrared Thermography

Affiliations:
Golasiński K.-IPPT PAN
Pieczyska E.A.-IPPT PAN
Maj M.-IPPT PAN
Staszczak M.-IPPT PAN
Takesue N.-Fukuoka University (JP)
3.Golasiński K., Pieczyska E.A., Mackiewicz S., Staszczak M., Zubko M., Takesue N., Analysis Gum Metal crystallographic texture and misorientation in correlation to its mechanical behavior, CAC, XXIV CONFERENCE ON APPLIED CRYSTALLOGRAPHY, 2018-09-02/09-06, Arłamów (PL), No.OY1-5, pp.37-38, 2018
Keywords:

Gum Metal, EBSD, ultrasonic measurement

Affiliations:
Golasiński K.-IPPT PAN
Pieczyska E.A.-IPPT PAN
Mackiewicz S.-IPPT PAN
Staszczak M.-IPPT PAN
Zubko M.-other affiliation
Takesue N.-Fukuoka University (JP)
4.Golasiński K., Pieczyska E., Maj M., Staszczak M., Takesue N., Superelastic-like behavior of Gum Metal under compression inspected by infrared thermography, ESOMAT 2018, 11th European Symposium on Martensitic Transformations, 2018-08-27/08-31, Metz (FR), pp.84, 2018
5.Pieczyska E., Golasiński K., Maj M., Staszczak M., Mackiewicz S., Zubko M., Takesue N., Gum metal in compression – investigation of mechanical anisotropy caused by texture, ICEM 2018, 18TH INTERNATIONAL CONFERENCE ON EXPERIMENTAL MECHANICS, 2018-07-01/07-05, BRUKSELA (BE), No.454, pp.1-2, 2018
6.Pieczyska E., Golasiński K., Maj M., Mackiewicz S., Staszczak M., Zubko M., Takesue N., Mechanical anisotropy of Gum Metal analyzed by ultrasonic measurements and digital image correlation, SolMech 2018, 41st SOLID MECHANICS CONFERENCE, 2018-08-27/08-31, Warszawa (PL), pp.352-353, 2018
Abstract:

Experimental investigation of mechanical anisotropy in a multifunctional beta titanium alloy Gum Metal under compression is reported. Non-destructive and destructive techniques were used to analyze unique mechanical behavior of the alloy. Structural characterization showed a strong <110> texture of Gum Metal, which is a result of cold-swaging applied during its fabrication [1]. Due to this kind of texture Gum Metal can be treated as transversally isotropic solid. Ultrasonic measurements determined elastic constants with high accuracy. A significant difference between Young’s moduli of the alloy calculated for parallel and perpendicular directions to the alloy swaging direction was demonstrated. Compression of Gum Metal cube samples with two orientations was conducted on a testing machine. Two perpendicular walls of each sample were monitored by two visible range cameras during the deformation process for further 2-dimensional digital image correlation (DIC) analysis. Strong mechanical anisotropy of Gum Metal was confirmed by a detailed analysis of the stress vs. strain curves and strain distributions.

Affiliations:
Pieczyska E.-IPPT PAN
Golasiński K.-IPPT PAN
Maj M.-IPPT PAN
Mackiewicz S.-IPPT PAN
Staszczak M.-IPPT PAN
Zubko M.-other affiliation
Takesue N.-Fukuoka University (JP)
7.Golasiński K.M., Pieczyska E., Detsch R., Boccaccini A.R., Takesue N., Evaluation of mechanical properties and biocompatibility of Gum Metal for implant applications, 7th KMM-VIN Industrial Workshop: Biomaterials: Key Technologies for Better Healthcare, 2017-09-27/09-28, Erlangen (DE), pp.46, 2017
Abstract:

In this work, mechanical properties of a β-Ti alloy Gum Metal (Ti–23Nb–0.7Ta–2.0Zr–1.2O at.%, free of cytotoxic content), which was fabricated at Toyota Central Research&Development Laboratories, Inc., were investigated. It was confirmed that Gum Metal is characterized by a low Young's modulus (around 60 GPa), high strength (over 1000 MPa) and a large range of reversible deformation, which are important features in the context of potential implant applications. Moreover, a comprehensive assessment of biocompatibility was realized. Properties of Gum Metal were contrasted with those of Ti-6Al-4V (ELI) which was taken as reference. Surface conditions, such as topography, roughness and structural composition, were analyzed. Evaluation of biocompatibility for the alloys was performed by cell attachment and spreading analysis after predefined cell culture periods. Gum Metal presented excellent properties, what makes it a goodcandidate for implant applications.

Keywords:

Gum Metal, titanium alloy, biocompatibility, implant applications

Affiliations:
Golasiński K.M.-IPPT PAN
Pieczyska E.-IPPT PAN
Detsch R.-Friedrich-Alexander University of Erlangen-Nürnberg (DE)
Boccaccini A.R.-Friedrich-Alexander University of Erlangen-Nürnberg (DE)
Takesue N.-Fukuoka University (JP)
8.Golasiński K.M., Pieczyska E.A., Maj M., Staszczak M., Takesue N., Unique mechanical performance of an innovative Ti-based superalloy Gum Metal under compression, International Scientific Conference Humboldt-Kolleg Limits of Knowledge, 2017-06-22/06-25, Cracow (PL), No.P35-NS, pp.218-219, 2017
9.Golasiński K., Pieczyska E., Maj M., Staszczak M., Takesue N., Investigation of Gum Metal under compressive cyclic loading, Plastmet 2016, Jubileuszowe X Seminarium Naukowe ZINTEGROWANE STUDIA PODSTAW DEFORMACJI PLASTYCZNEJ METALI, 2016-11-22/11-25, Łańcut (PL), pp.41-42, 2016
Abstract:

Preliminary results of mechanical behavior of Gum Metal compressed along the swaging direction during cyclic loading were presented. The unique mechanical performance of Gum Metal - low Young’s Modulus and high strength were confirmed. During the cyclic loading the curves profiles change significantly with each cycle and reveal a clearly pronounced yield points for the 4th and further cycles. Compression tests along perpendicular direction to the swaging one will be considered for our future research.

Keywords:

Gum Metal, polycrystal, compression loading, cyclic loading, digital image correlation

Affiliations:
Golasiński K.-IPPT PAN
Pieczyska E.-IPPT PAN
Maj M.-IPPT PAN
Staszczak M.-IPPT PAN
Takesue N.-Fukuoka University (JP)