Abstract:
An umbilical tube (10) having a first tube end (11) and second tube end (12) and a tube wall (13) defining an inner diameter d and an outer diameter D of the umbilical tube (10) wherein the cross-sectional area of the tube wall (13) perpendicular to the longitudinal axis (14) of the umbilical tube (10) decreases from the first tube end (11) to the second tube end (12).
Abstract:
The present invention relates to a process for manufacturing a product of commercially pure titanium, wherein said process comprises the step of: a) mechanically deforming an object of commercially pure titanium in a temperature below -80°C until the product is formed; b) heat-treating the formed product in a temperature range of from 300 to below 450°C during a treatment time from 10 minutes to 168 hours.
Abstract:
The invention relates to a method of producing a TWIP and nano twinned austenitic stainless steel. The austenitic steel should not contain more than 0.018 wt% C, 0.25-0.75 wt% Si, 1.5-2 wt% Mn, 17.80-19.60 wt% Cr, 24.00- 25.25 wt% Ni, 3.75-4.85 wt% Mo, 1.26-2.78 wt% Cu, 0.04-0.15 wt% N, and the balance of Fe. In order to form nano twins in the material the austenitic stainless steel should be brought to a temperature below 0°C, and imparted a plastic deformation to such a degree that the desired nano twins are formed, e.g. to a plastic deformation of around 30%. The invention also relates to the thus produced austenitic stainless steel.
Abstract:
The present disclosure relates to a material for valve leafs of flapper valves, the material comprising a metallic base material and a metallic coating. The valve leaf material has improved fatigue resistance and can be produced by processes 5 such as PVD or electrolytic coating.
Abstract:
A high strength material product comprising a layer (12) of a carbon fiber composite is provided with a layer (13) of a pre-cipitation hardenable stainless steel alloy adhered onto said layer of carbon fiber composite.
Abstract:
The present invention relates to an armour for human body ballistic protection comprising a duplex stainless steel alloy con- taining in weight-%: C max 0.2%, Si 0.05-2.0%, Mn 0.1 -10%, Cr 20-35%, Ni 0.1 -12%, Mo 0-6.0%, W 0-6%, Cu 0-3%, Co 0-5%, N 0.05-0.65%, balance Fe and normal occurring impurities, wherein the ferrite content is 25-75 volume-%, and said duplex stainless steel alloy has a yield point in tension exceeding 1400 MPa.
Abstract:
The present disclosure relates to a new duplex stainless steel. Furthermore, the present disclosure relates to a product comprising the duplex stainless steel, which method comprises the step of performing a heat treatment on an object comprising the duplex stainless steel at a predetermined temperature and during a predetermined time.
Abstract:
The present disclosure relates to a new process for manufacturing an object comprising an austenitic alloy. The process combines a cryogenic treatment with a heat treatment whereby the obtained object will posse excellent properties, especially in regard of strength and ductility.
Abstract:
The invention relates to a method of producing a nano twinned commercially pure titanium material comprising the steps of: - casting a commercially pure titanium material that apart from titanium contains not more than 0.05 wt% N, not more than 0.08 wt% C, not more than 0.015 wt% H, not more than 0.50 wt% Fe, not more than 0.40 wt% O, and not more than 0.40 wt% residuals, - bringing the material to a temperature at or below 0°C, and - imparting plastic deformation to the material at that temperature to such a degree that nano twins are formed in the material.