Ali Sadaqat, Irfan Muhammad, Niazi Usama Muhammad, Rani Ahmad Majdi Abdul, Rashedi Ahmad, Rahman Saifur, Khan Muhammad Kamal Asif, Alsaiari Mabkhoot A, Legutko Stanislaw, Petrů Jana, Trefil Antonin
School of Mechanical & Manufacturing Engineering, National University of Sciences and Technology (NUST), H-12, Islamabad 44000, Pakistan.
Electrical Engineering Department, College of Engineering, Najran University Saudi Arabia, Najran 61441, Saudi Arabia.
Materials (Basel). 2022 Apr 12;15(8):2822. doi: 10.3390/ma15082822.
AISI 316L stainless steel (SS) is one of the extensively used biomaterials to produce implants and medical devices. It provides a low-cost solution with ample mechanical properties, corrosion resistance, and biocompatibility compared to its counterpart materials. However, the implants made of this material are subjected to a short life span in human physiological conditions leading to the leaching of metal ions, thus limiting its use as a biomaterial. In this research, the addition of boron, titanium, and niobium with varying concentrations in the SS matrix has been explored. This paper explores the impact of material composition on modified SS alloy's physical and mechanical properties. The study's outcomes specify that the microhardness increases for all the alloy compositions, with a maximum increase of 64.68% for the 2 wt.% niobium added SS alloy. On the other hand, the tensile strength decreased to 297.40 MPa for the alloy containing 0.25 wt.% boron and 2 wt.% titanium additions compared to a tensile strength of 572.50 MPa for pure SS. The compression strength increased from 776 MPa for pure SS to 1408 MPa for the alloy containing niobium and titanium additions in equal concentrations.
AISI 316L不锈钢（SS）是广泛用于生产植入物和医疗设备的生物材料之一。与其他同类材料相比，它提供了一种低成本的解决方案，具有足够的机械性能、耐腐蚀性和生物相容性。然而，用这种材料制成的植入物在人体生理条件下使用寿命较短，会导致金属离子的浸出，从而限制了其作为生物材料的使用。在这项研究中，探索了在SS基体中添加不同浓度的硼、钛和铌。本文探讨了材料成分对改性SS合金物理和机械性能的影响。研究结果表明，所有合金成分的显微硬度均有所增加，添加2 wt.%铌的SS合金显微硬度最大增加了64.68%。另一方面，与纯SS的抗拉强度572.50 MPa相比，添加0.25 wt.%硼和2 wt.%钛的合金的抗拉强度降至297.40 MPa。抗压强度从纯SS的776 MPa增加到添加等量铌和钛的合金的1408 MPa。
