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12 Results Found

  • Article
  • Open Access
8 Citations
9,322 Views
13 Pages

5 September 2018

The material 36MnVS4 is the second generation of connecting rod fracture-split material. However, it generates more quality defects during the fracture-split process. To investigate the causes of defects that occurred, the material properties and fra...

  • Article
  • Open Access
2 Citations
255 Views
7 Pages

In Situ Splitting of a Rib Bone Graft for Reconstruction of Orbital Floor and Medial Wall

  • Tetsuji Uemura,
  • Tetsu Yanai,
  • Masato Yasuta,
  • Yoshimi Harada,
  • Aya Morikawa,
  • Hidetaka Watanabe and
  • Masato Kurokawa

In situ splitting of rib bone graft was conducted in 22 patients for the repair of orbital fracture with no other complicating fractures. A bone graft was harvested from the sixth or seventh rib in the right side. The repair of the orbital floor and...

  • Article
  • Open Access
16 Citations
4,013 Views
16 Pages

Numerical Simulation on Size Effect of Fracture Toughness of Concrete Based on Mesomechanics

  • Juan Wang,
  • Qianqian Wu,
  • Junfeng Guan,
  • Peng Zhang,
  • Hongyuan Fang and
  • Shaowei Hu

18 March 2020

The fracture performance of concrete is size-dependent within a certain size range. A four-phase composite material numerical model of mesofracture considering a mortar matrix, coarse aggregates, an interfacial transition zone (ITZ) at the meso level...

  • Article
  • Open Access
1,650 Views
15 Pages

Biomechanical Performance and Handling of Mineral–Organic Adhesive Bone Cements Based on Magnesium Under Clinical Test Conditions

  • Stefanie Hoelscher-Doht,
  • Alexandra Fabian,
  • Lasse Bögelein,
  • Eva Kupczyk,
  • Rainer H. Meffert,
  • Uwe Gbureck and
  • Tobias Renner

29 April 2025

Background/Objectives: Biomineral adhesive bone adhesives composed of phosphoserine combined with magnesium oxides or phosphates exhibit exceptional adhesive properties. This study evaluates two experimental mineral–organic cementitious adhesiv...

  • Article
  • Open Access
1,596 Views
21 Pages

21 November 2024

Magnesium phosphate cement (MPC), as a rapid-hardening and early-strengthening cementitious material, is commonly used for repairing concrete defects. To enhance the repair efficiency of MPC and its mortar, MPC mortar and paste with the addition of 4...

  • Article
  • Open Access
232 Views
17 Pages

Island Pedicle Flaps as a Suitable Method of Treatment in the Defects of the Non-Weight-Bearing Part of the Heel

  • Radu Dan Necula,
  • Bogdan-Radu Necula,
  • Radu Vaidahazan,
  • Claudiu Gabriel Coraiu,
  • Adrian Burnariu and
  • Florin Lucian Sabou

16 December 2025

Background: Covering the defects around the calcaneus is still a largely debatable subject. In the classical view, the defects at the level of the foot can be treated only by a free flap. In a modern approach, it has been observed that for small or m...

  • Article
  • Open Access
1 Citations
930 Views
16 Pages

Fracture Behavior and Cracking Mechanism of Rock Materials Containing Fissure-Holes Under Brazilian Splitting Tests

  • Hengjie Luan,
  • Kun Liu,
  • Decheng Ge,
  • Wei Han,
  • Yiran Zhou,
  • Lujie Wang and
  • Sunhao Zhang

16 May 2025

Fractures and voids are widely distributed in slope rock masses. These defects promote crack initiation and propagation, ultimately leading to rock mass failure. Investigating their damage evolution mechanisms and strength characteristics is of signi...

  • Article
  • Open Access
836 Views
20 Pages

Failure and Energy Evolution Characteristics of Saturated Natural Defective Material Under Different Confining Pressures

  • Zhihao Gao,
  • Shihao Guo,
  • Xiaoyong Yang,
  • Shanchao Hu,
  • Junhong Huang,
  • Yafei Cheng,
  • Dawang Yin and
  • Jinhao Dou

29 April 2025

In nature, many brittle materials contain natural defects such as microcracks or joints, for example, rocks. Under water-saturated conditions, the strength of defective materials undergoes varying degrees of attenuation, leading to material failure a...

  • Article
  • Open Access
2 Citations
2,429 Views
17 Pages

28 May 2025

Three-dimensional printing concrete (3DPC) has garnered significant attention for its construction efficiency and complex geometric capabilities. However, its mechanical properties differ markedly from cast-in-place concrete due to interlayer/intrala...

  • Article
  • Open Access
3 Citations
1,727 Views
29 Pages

Dynamic Failure Characteristics of Sandstone Containing Different Angles of Pre-Existing Crack Defects

  • Hou-You Zhou,
  • Dian-Shu Liu,
  • Zheng-Hua Gao,
  • En-An Chi,
  • Jun-Ying Rao and
  • Tao Hu

24 May 2024

Fracture within the rock is one of the main factors leading to rock destabilization and has a significant effect on the stability of the project. In this study, sandstone is used as a research target, specimens with crack inclination angles of 0°...

  • Technical Note
  • Open Access
2 Citations
1,607 Views
10 Pages

The Panflute Technique: Novel 3D-Printed Patient Specific Instrumentation to Guide Curved Intra-Articular Osteotomies for Tibial Plateau Malunions

  • Nick Assink,
  • Cornelia W. Binnekamp,
  • Hugo C. van der Veen,
  • Job N. Doornberg,
  • Frank F. A. IJpma and
  • Peter A. J. Pijpker

17 October 2024

Background/Objectives: 3D patient-specific corrective osteotomies are optimized for use with oscillating saws, thereby rendering it incapable of executing curved osteotomies. The aim of this technical note is to introduce and evaluate the Panflute te...

  • Article
  • Open Access
10 Citations
3,969 Views
26 Pages

25 May 2020

Out-of-plane wrinkling has a significant influence on the mechanical performance of composite laminates. Numerical simulations were conducted to investigate the progressive failure behavior of fiber-reinforced composite laminates with out-of-plane wr...