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With reference to the Powder bed fusion (L-PBF) technique, consider the following statements:
- It is a 3D printing method that joins powdered material points by using a laser beam.
- It is performed under inert gas such as argon.
Which of the statements given above is/are correct?
- a)1 Only
- b)2 Only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
With reference to the Powder bed fusion (L-PBF) technique, consider th...
Recently, researchers at the International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), have developed a novel bi-metallic joining process using a technique called laser powder bed fusion (L-PBF) or selective laser melting (SLM) technique of metal 3D printing.
- Researchers have developed a novel bi-metallic joining process to create a bimetallic composite made from copper and steel by using the Laser powder bed fusion (L-PBF) technique.
- Powder bed fusion (PBF) is a 3D printing method that joins powdered material point by point using an energy source, typically a laser beam or an electron beam.
- It is one of the most common 3D printing techniques used for industrial additive manufacturing (AM).
- PBF is possible with both metals and polymers, although not all materials are compatible.
- Due to the combustible nature of the metal powders, LPBF is usually performed under inert gas such as argon, or under a vacuum.
Hence both statements are correct.
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With reference to the Powder bed fusion (L-PBF) technique, consider th...
Powder bed fusion (L-PBF) Technique
• The Powder bed fusion (L-PBF) technique is a type of additive manufacturing technology that is used to create 3D objects by joining powdered material points together using a laser beam.
• The technique is also known as selective laser sintering (SLS).
• In this technique, the powdered material is spread evenly across a build platform.
• A laser beam is then directed at the powdered material, which melts it and fuses it together to create a solid object.
• The laser beam is controlled by a computer, which follows a 3D computer-aided design (CAD) file to create the desired shape.
• The process is repeated layer by layer until the object is completed.
• This technique is used to create complex geometries and structures that are difficult to manufacture using traditional manufacturing methods.
Inert Gas Environment
• The Powder bed fusion (L-PBF) technique is performed under an inert gas environment, such as argon.
• The use of an inert gas environment is necessary to prevent the powder from reacting with the surrounding air.
• If the powder were to react with the air, it could cause the formation of oxides or other unwanted compounds, which could weaken the final product.
• The inert gas environment also helps to maintain a stable temperature, which is important for ensuring consistent results.
Conclusion
Therefore, both statements given in the question are correct. The Powder bed fusion (L-PBF) technique is a 3D printing method that joins powdered material points by using a laser beam. It is performed under an inert gas environment, such as argon, to prevent the powder from reacting with the surrounding air and to maintain a stable temperature.
• The Powder bed fusion (L-PBF) technique is a type of additive manufacturing technology that is used to create 3D objects by joining powdered material points together using a laser beam.
• The technique is also known as selective laser sintering (SLS).
• In this technique, the powdered material is spread evenly across a build platform.
• A laser beam is then directed at the powdered material, which melts it and fuses it together to create a solid object.
• The laser beam is controlled by a computer, which follows a 3D computer-aided design (CAD) file to create the desired shape.
• The process is repeated layer by layer until the object is completed.
• This technique is used to create complex geometries and structures that are difficult to manufacture using traditional manufacturing methods.
Inert Gas Environment
• The Powder bed fusion (L-PBF) technique is performed under an inert gas environment, such as argon.
• The use of an inert gas environment is necessary to prevent the powder from reacting with the surrounding air.
• If the powder were to react with the air, it could cause the formation of oxides or other unwanted compounds, which could weaken the final product.
• The inert gas environment also helps to maintain a stable temperature, which is important for ensuring consistent results.
Conclusion
Therefore, both statements given in the question are correct. The Powder bed fusion (L-PBF) technique is a 3D printing method that joins powdered material points by using a laser beam. It is performed under an inert gas environment, such as argon, to prevent the powder from reacting with the surrounding air and to maintain a stable temperature.
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With reference to the Powder bed fusion (L-PBF) technique, consider the following statements: It is a 3D printing method that joins powdered material points by using a laser beam. It is performed under inert gas such as argon.Which of the statements given above is/are correct?a)1 Onlyb)2 Onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
Question Description
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With reference to the Powder bed fusion (L-PBF) technique, consider the following statements: It is a 3D printing method that joins powdered material points by using a laser beam. It is performed under inert gas such as argon.Which of the statements given above is/are correct?a)1 Onlyb)2 Onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? for Class 5 2024 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about With reference to the Powder bed fusion (L-PBF) technique, consider the following statements: It is a 3D printing method that joins powdered material points by using a laser beam. It is performed under inert gas such as argon.Which of the statements given above is/are correct?a)1 Onlyb)2 Onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 5 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to the Powder bed fusion (L-PBF) technique, consider the following statements: It is a 3D printing method that joins powdered material points by using a laser beam. It is performed under inert gas such as argon.Which of the statements given above is/are correct?a)1 Onlyb)2 Onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?.
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